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Finding the Fourth Proportional to 6,877.52, 10,319.16 and 6,332.88

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Solution

The fourth proportional to 6,877.52, 10,319.16 and 6,332.88 is: 9,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.52 : 10,319.16 = 6,332.88 : x
  2. Step 2: Convert to fraction form
    6,877.52/10,319.16 = 6,332.88/x
  3. Step 3: Cross multiply
    6,877.52x = 10,319.16 × 6,332.88
  4. Step 4: Simplify right side
    6,877.52x = 65,350,001.98
  5. Step 5: Solve for x
    x = 65,350,001.98/6,877.52
  6. Step 6: Final answer
    x = 9,501.97

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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.