Home / 5,638.97-8,449.17-5,422.92

Finding the Fourth Proportional to 5,638.97, 8,449.17 and 5,422.92

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Solution

The fourth proportional to 5,638.97, 8,449.17 and 5,422.92 is: 8,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.97 : 8,449.17 = 5,422.92 : x
  2. Step 2: Convert to fraction form
    5,638.97/8,449.17 = 5,422.92/x
  3. Step 3: Cross multiply
    5,638.97x = 8,449.17 × 5,422.92
  4. Step 4: Simplify right side
    5,638.97x = 45,819,172.98
  5. Step 5: Solve for x
    x = 45,819,172.98/5,638.97
  6. Step 6: Final answer
    x = 8,125.46

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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.