Solving a proportion by cross multiplication with decimals

The video tutorial demonstrates how to solve a proportion involving decimals using the cross product method. It begins with an introduction to proportions and explains the cross product technique. The instructor then provides a detailed, step-by-step solution to the equation 7 * 1.5 = y * 2.5, ultimately finding that y equals 4.2. The tutorial concludes with a summary of the solution process.

What new insight or understanding did you gain from this video?