Home / 5,512.38-8,257.62-2,581.80

Finding the Fourth Proportional to 5,512.38, 8,257.62 and 2,581.80

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Solution

The fourth proportional to 5,512.38, 8,257.62 and 2,581.80 is: 3,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.38 : 8,257.62 = 2,581.80 : x
  2. Step 2: Convert to fraction form
    5,512.38/8,257.62 = 2,581.80/x
  3. Step 3: Cross multiply
    5,512.38x = 8,257.62 × 2,581.80
  4. Step 4: Simplify right side
    5,512.38x = 21,319,523.32
  5. Step 5: Solve for x
    x = 21,319,523.32/5,512.38
  6. Step 6: Final answer
    x = 3,867.57

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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.