Home / 4,151.40-6,227.10-3,940.20

Finding the Fourth Proportional to 4,151.40, 6,227.10 and 3,940.20

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Solution

The fourth proportional to 4,151.40, 6,227.10 and 3,940.20 is: 5,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.40 : 6,227.10 = 3,940.20 : x
  2. Step 2: Convert to fraction form
    4,151.40/6,227.10 = 3,940.20/x
  3. Step 3: Cross multiply
    4,151.40x = 6,227.10 × 3,940.20
  4. Step 4: Simplify right side
    4,151.40x = 24,536,019.42
  5. Step 5: Solve for x
    x = 24,536,019.42/4,151.40
  6. Step 6: Final answer
    x = 5,910.30

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Similar ratio
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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.