Proportional means that if one increases so does the other eg volume of a balloon increases if you heat it - heat is proportional to volume in gases.
Non proportional means that they don't have a similar relationship.
4\7 x 3\9 = 12\63
4 x 3 = 12
7 x 9 = 63
Hope this helps!
This is closest to your problem
Pre algebra basically lay the foundation for what you'll learn in algebra 1.
