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Finding the Fourth Proportional to 8,001.75, 12,002.63 and 2,529.75

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Solution

The fourth proportional to 8,001.75, 12,002.63 and 2,529.75 is: 3,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.75 : 12,002.63 = 2,529.75 : x
  2. Step 2: Convert to fraction form
    8,001.75/12,002.63 = 2,529.75/x
  3. Step 3: Cross multiply
    8,001.75x = 12,002.63 × 2,529.75
  4. Step 4: Simplify right side
    8,001.75x = 30,363,640.59
  5. Step 5: Solve for x
    x = 30,363,640.59/8,001.75
  6. Step 6: Final answer
    x = 3,794.63

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Half scale
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Similar ratio
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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.