Petrović completed elementary and high school in his hometown of Šabac, and graduated from the University of Belgrade's Law School. From 1992 to 2000 he worked as a lawyer, and from 2000 to 2004 he was the mayor of Šabac, as well as a deputy in the House of Citizens in the Parliament of Federal Republic of Yugoslavia.
Petrović finished his primary and secondary education in his hometown of Šabac, and graduated from the University of Belgrade's Law Faculty. He worked as a lawyer from 1992 to 2000, and served as the mayor of Šabac and a deputy in the House of Citizens in the Parliament of Federal Republic of Yugoslavia from 2000 to 2004.