Home / 5,398.17-8,098.85-2,279.49

Finding the Fourth Proportional to 5,398.17, 8,098.85 and 2,279.49

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Solution

The fourth proportional to 5,398.17, 8,098.85 and 2,279.49 is: 3,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.17 : 8,098.85 = 2,279.49 : x
  2. Step 2: Convert to fraction form
    5,398.17/8,098.85 = 2,279.49/x
  3. Step 3: Cross multiply
    5,398.17x = 8,098.85 × 2,279.49
  4. Step 4: Simplify right side
    5,398.17x = 18,461,236.19
  5. Step 5: Solve for x
    x = 18,461,236.19/5,398.17
  6. Step 6: Final answer
    x = 3,419.91

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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.