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Finding the Fourth Proportional to 8,887.68, 12,250.62 and 6,756.12

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Solution

The fourth proportional to 8,887.68, 12,250.62 and 6,756.12 is: 9,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.68 : 12,250.62 = 6,756.12 : x
  2. Step 2: Convert to fraction form
    8,887.68/12,250.62 = 6,756.12/x
  3. Step 3: Cross multiply
    8,887.68x = 12,250.62 × 6,756.12
  4. Step 4: Simplify right side
    8,887.68x = 82,766,658.79
  5. Step 5: Solve for x
    x = 82,766,658.79/8,887.68
  6. Step 6: Final answer
    x = 9,312.52

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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.