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Finding the Fourth Proportional to 8,877.11, 12,250.20 and 4,898.22

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Solution

The fourth proportional to 8,877.11, 12,250.20 and 4,898.22 is: 6,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.11 : 12,250.20 = 4,898.22 : x
  2. Step 2: Convert to fraction form
    8,877.11/12,250.20 = 4,898.22/x
  3. Step 3: Cross multiply
    8,877.11x = 12,250.20 × 4,898.22
  4. Step 4: Simplify right side
    8,877.11x = 60,004,174.64
  5. Step 5: Solve for x
    x = 60,004,174.64/8,877.11
  6. Step 6: Final answer
    x = 6,759.43

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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.