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Finding the Fourth Proportional to 8,877.25, 12,250.61 and 6,523.80

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Solution

The fourth proportional to 8,877.25, 12,250.61 and 6,523.80 is: 9,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.25 : 12,250.61 = 6,523.80 : x
  2. Step 2: Convert to fraction form
    8,877.25/12,250.61 = 6,523.80/x
  3. Step 3: Cross multiply
    8,877.25x = 12,250.61 × 6,523.80
  4. Step 4: Simplify right side
    8,877.25x = 79,920,529.52
  5. Step 5: Solve for x
    x = 79,920,529.52/8,877.25
  6. Step 6: Final answer
    x = 9,002.85

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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.