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Finding the Fourth Proportional to 5,680.62, 8,508.62 and 2,752.79

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Solution

The fourth proportional to 5,680.62, 8,508.62 and 2,752.79 is: 4,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.62 : 8,508.62 = 2,752.79 : x
  2. Step 2: Convert to fraction form
    5,680.62/8,508.62 = 2,752.79/x
  3. Step 3: Cross multiply
    5,680.62x = 8,508.62 × 2,752.79
  4. Step 4: Simplify right side
    5,680.62x = 23,422,387.74
  5. Step 5: Solve for x
    x = 23,422,387.74/5,680.62
  6. Step 6: Final answer
    x = 4,123.21

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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.