Home / 5,519.62-7,613.68-3,279.97

Finding the Fourth Proportional to 5,519.62, 7,613.68 and 3,279.97

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Solution

The fourth proportional to 5,519.62, 7,613.68 and 3,279.97 is: 4,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.62 : 7,613.68 = 3,279.97 : x
  2. Step 2: Convert to fraction form
    5,519.62/7,613.68 = 3,279.97/x
  3. Step 3: Cross multiply
    5,519.62x = 7,613.68 × 3,279.97
  4. Step 4: Simplify right side
    5,519.62x = 24,972,587.52
  5. Step 5: Solve for x
    x = 24,972,587.52/5,519.62
  6. Step 6: Final answer
    x = 4,524.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.