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Finding the Fourth Proportional to 7,996.68, 11,997.36 and 4,103.80

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Solution

The fourth proportional to 7,996.68, 11,997.36 and 4,103.80 is: 6,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.68 : 11,997.36 = 4,103.80 : x
  2. Step 2: Convert to fraction form
    7,996.68/11,997.36 = 4,103.80/x
  3. Step 3: Cross multiply
    7,996.68x = 11,997.36 × 4,103.80
  4. Step 4: Simplify right side
    7,996.68x = 49,234,765.97
  5. Step 5: Solve for x
    x = 49,234,765.97/7,996.68
  6. Step 6: Final answer
    x = 6,156.90

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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.