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Finding the Fourth Proportional to 8,179.92, 12,250.58 and 4,006.80

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Solution

The fourth proportional to 8,179.92, 12,250.58 and 4,006.80 is: 6,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.92 : 12,250.58 = 4,006.80 : x
  2. Step 2: Convert to fraction form
    8,179.92/12,250.58 = 4,006.80/x
  3. Step 3: Cross multiply
    8,179.92x = 12,250.58 × 4,006.80
  4. Step 4: Simplify right side
    8,179.92x = 49,085,603.91
  5. Step 5: Solve for x
    x = 49,085,603.91/8,179.92
  6. Step 6: Final answer
    x = 6,000.74

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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.