Home / 5,414.61-7,472.91-3,290.18

Finding the Fourth Proportional to 5,414.61, 7,472.91 and 3,290.18

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Solution

The fourth proportional to 5,414.61, 7,472.91 and 3,290.18 is: 4,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.61 : 7,472.91 = 3,290.18 : x
  2. Step 2: Convert to fraction form
    5,414.61/7,472.91 = 3,290.18/x
  3. Step 3: Cross multiply
    5,414.61x = 7,472.91 × 3,290.18
  4. Step 4: Simplify right side
    5,414.61x = 24,587,219.02
  5. Step 5: Solve for x
    x = 24,587,219.02/5,414.61
  6. Step 6: Final answer
    x = 4,540.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.