Home / 5,402.50-8,098.13-2,279.90

Finding the Fourth Proportional to 5,402.50, 8,098.13 and 2,279.90

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Solution

The fourth proportional to 5,402.50, 8,098.13 and 2,279.90 is: 3,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.50 : 8,098.13 = 2,279.90 : x
  2. Step 2: Convert to fraction form
    5,402.50/8,098.13 = 2,279.90/x
  3. Step 3: Cross multiply
    5,402.50x = 8,098.13 × 2,279.90
  4. Step 4: Simplify right side
    5,402.50x = 18,462,894.16
  5. Step 5: Solve for x
    x = 18,462,894.16/5,402.50
  6. Step 6: Final answer
    x = 3,417.47

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1.5x scale

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.