Home / 5,402.50-8,104.56-2,479.21

Finding the Fourth Proportional to 5,402.50, 8,104.56 and 2,479.21

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Solution

The fourth proportional to 5,402.50, 8,104.56 and 2,479.21 is: 3,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.50 : 8,104.56 = 2,479.21 : x
  2. Step 2: Convert to fraction form
    5,402.50/8,104.56 = 2,479.21/x
  3. Step 3: Cross multiply
    5,402.50x = 8,104.56 × 2,479.21
  4. Step 4: Simplify right side
    5,402.50x = 20,092,906.20
  5. Step 5: Solve for x
    x = 20,092,906.20/5,402.50
  6. Step 6: Final answer
    x = 3,719.19

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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.