Home / 5,402.59-8,104.18-3,321.29

Finding the Fourth Proportional to 5,402.59, 8,104.18 and 3,321.29

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Solution

The fourth proportional to 5,402.59, 8,104.18 and 3,321.29 is: 4,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.59 : 8,104.18 = 3,321.29 : x
  2. Step 2: Convert to fraction form
    5,402.59/8,104.18 = 3,321.29/x
  3. Step 3: Cross multiply
    5,402.59x = 8,104.18 × 3,321.29
  4. Step 4: Simplify right side
    5,402.59x = 26,916,331.99
  5. Step 5: Solve for x
    x = 26,916,331.99/5,402.59
  6. Step 6: Final answer
    x = 4,982.12

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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.