Home / 8,712.03-12,022.80-5,175.24

Finding the Fourth Proportional to 8,712.03, 12,022.80 and 5,175.24

Calculator

Solution

The fourth proportional to 8,712.03, 12,022.80 and 5,175.24 is: 7,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.03 : 12,022.80 = 5,175.24 : x
  2. Step 2: Convert to fraction form
    8,712.03/12,022.80 = 5,175.24/x
  3. Step 3: Cross multiply
    8,712.03x = 12,022.80 × 5,175.24
  4. Step 4: Simplify right side
    8,712.03x = 62,220,875.47
  5. Step 5: Solve for x
    x = 62,220,875.47/8,712.03
  6. Step 6: Final answer
    x = 7,141.95

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.