Home / 5,398.67-8,096.45-2,279.39

Finding the Fourth Proportional to 5,398.67, 8,096.45 and 2,279.39

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Solution

The fourth proportional to 5,398.67, 8,096.45 and 2,279.39 is: 3,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.67 : 8,096.45 = 2,279.39 : x
  2. Step 2: Convert to fraction form
    5,398.67/8,096.45 = 2,279.39/x
  3. Step 3: Cross multiply
    5,398.67x = 8,096.45 × 2,279.39
  4. Step 4: Simplify right side
    5,398.67x = 18,454,915.29
  5. Step 5: Solve for x
    x = 18,454,915.29/5,398.67
  6. Step 6: Final answer
    x = 3,418.42

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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.