Home / 8,149.62-12,213.48-4,446.30

Finding the Fourth Proportional to 8,149.62, 12,213.48 and 4,446.30

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Solution

The fourth proportional to 8,149.62, 12,213.48 and 4,446.30 is: 6,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.62 : 12,213.48 = 4,446.30 : x
  2. Step 2: Convert to fraction form
    8,149.62/12,213.48 = 4,446.30/x
  3. Step 3: Cross multiply
    8,149.62x = 12,213.48 × 4,446.30
  4. Step 4: Simplify right side
    8,149.62x = 54,304,796.12
  5. Step 5: Solve for x
    x = 54,304,796.12/8,149.62
  6. Step 6: Final answer
    x = 6,663.48

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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.