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Finding the Fourth Proportional to 8,157.52, 11,262.80 and 6,265.72

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Solution

The fourth proportional to 8,157.52, 11,262.80 and 6,265.72 is: 8,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.52 : 11,262.80 = 6,265.72 : x
  2. Step 2: Convert to fraction form
    8,157.52/11,262.80 = 6,265.72/x
  3. Step 3: Cross multiply
    8,157.52x = 11,262.80 × 6,265.72
  4. Step 4: Simplify right side
    8,157.52x = 70,569,545.71
  5. Step 5: Solve for x
    x = 70,569,545.71/8,157.52
  6. Step 6: Final answer
    x = 8,650.86

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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.