Home / 5,581.29-8,370.54-1,631.49

Finding the Fourth Proportional to 5,581.29, 8,370.54 and 1,631.49

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Solution

The fourth proportional to 5,581.29, 8,370.54 and 1,631.49 is: 2,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.29 : 8,370.54 = 1,631.49 : x
  2. Step 2: Convert to fraction form
    5,581.29/8,370.54 = 1,631.49/x
  3. Step 3: Cross multiply
    5,581.29x = 8,370.54 × 1,631.49
  4. Step 4: Simplify right side
    5,581.29x = 13,656,452.30
  5. Step 5: Solve for x
    x = 13,656,452.30/5,581.29
  6. Step 6: Final answer
    x = 2,446.83

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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.