Home / 7,542.20-10,411.80-5,028.50

Finding the Fourth Proportional to 7,542.20, 10,411.80 and 5,028.50

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Solution

The fourth proportional to 7,542.20, 10,411.80 and 5,028.50 is: 6,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.20 : 10,411.80 = 5,028.50 : x
  2. Step 2: Convert to fraction form
    7,542.20/10,411.80 = 5,028.50/x
  3. Step 3: Cross multiply
    7,542.20x = 10,411.80 × 5,028.50
  4. Step 4: Simplify right side
    7,542.20x = 52,355,736.30
  5. Step 5: Solve for x
    x = 52,355,736.30/7,542.20
  6. Step 6: Final answer
    x = 6,941.71

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1.5x scale

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.