Home / 5,498.38-7,585.13-3,609.20

Finding the Fourth Proportional to 5,498.38, 7,585.13 and 3,609.20

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Solution

The fourth proportional to 5,498.38, 7,585.13 and 3,609.20 is: 4,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.38 : 7,585.13 = 3,609.20 : x
  2. Step 2: Convert to fraction form
    5,498.38/7,585.13 = 3,609.20/x
  3. Step 3: Cross multiply
    5,498.38x = 7,585.13 × 3,609.20
  4. Step 4: Simplify right side
    5,498.38x = 27,376,251.20
  5. Step 5: Solve for x
    x = 27,376,251.20/5,498.38
  6. Step 6: Final answer
    x = 4,978.97

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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.