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Finding the Fourth Proportional to 8,752.68, 13,125.82 and 3,204.20

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Solution

The fourth proportional to 8,752.68, 13,125.82 and 3,204.20 is: 4,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.68 : 13,125.82 = 3,204.20 : x
  2. Step 2: Convert to fraction form
    8,752.68/13,125.82 = 3,204.20/x
  3. Step 3: Cross multiply
    8,752.68x = 13,125.82 × 3,204.20
  4. Step 4: Simplify right side
    8,752.68x = 42,057,752.44
  5. Step 5: Solve for x
    x = 42,057,752.44/8,752.68
  6. Step 6: Final answer
    x = 4,805.13

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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.