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Finding the Fourth Proportional to 8,000.38, 11,039.99 and 4,463.52

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Solution

The fourth proportional to 8,000.38, 11,039.99 and 4,463.52 is: 6,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.38 : 11,039.99 = 4,463.52 : x
  2. Step 2: Convert to fraction form
    8,000.38/11,039.99 = 4,463.52/x
  3. Step 3: Cross multiply
    8,000.38x = 11,039.99 × 4,463.52
  4. Step 4: Simplify right side
    8,000.38x = 49,277,216.16
  5. Step 5: Solve for x
    x = 49,277,216.16/8,000.38
  6. Step 6: Final answer
    x = 6,159.36

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Half scale
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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.