Home / 6,132.20-9,209.10-5,937.80

Finding the Fourth Proportional to 6,132.20, 9,209.10 and 5,937.80

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Solution

The fourth proportional to 6,132.20, 9,209.10 and 5,937.80 is: 8,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.20 : 9,209.10 = 5,937.80 : x
  2. Step 2: Convert to fraction form
    6,132.20/9,209.10 = 5,937.80/x
  3. Step 3: Cross multiply
    6,132.20x = 9,209.10 × 5,937.80
  4. Step 4: Simplify right side
    6,132.20x = 54,681,793.98
  5. Step 5: Solve for x
    x = 54,681,793.98/6,132.20
  6. Step 6: Final answer
    x = 8,917.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.