Home / 5,487.62-8,221.11-2,711.06

Finding the Fourth Proportional to 5,487.62, 8,221.11 and 2,711.06

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Solution

The fourth proportional to 5,487.62, 8,221.11 and 2,711.06 is: 4,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.62 : 8,221.11 = 2,711.06 : x
  2. Step 2: Convert to fraction form
    5,487.62/8,221.11 = 2,711.06/x
  3. Step 3: Cross multiply
    5,487.62x = 8,221.11 × 2,711.06
  4. Step 4: Simplify right side
    5,487.62x = 22,287,922.48
  5. Step 5: Solve for x
    x = 22,287,922.48/5,487.62
  6. Step 6: Final answer
    x = 4,061.49

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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.