Home / 4,227.18-6,331.05-3,491.70

Finding the Fourth Proportional to 4,227.18, 6,331.05 and 3,491.70

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Solution

The fourth proportional to 4,227.18, 6,331.05 and 3,491.70 is: 5,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.18 : 6,331.05 = 3,491.70 : x
  2. Step 2: Convert to fraction form
    4,227.18/6,331.05 = 3,491.70/x
  3. Step 3: Cross multiply
    4,227.18x = 6,331.05 × 3,491.70
  4. Step 4: Simplify right side
    4,227.18x = 22,106,127.29
  5. Step 5: Solve for x
    x = 22,106,127.29/4,227.18
  6. Step 6: Final answer
    x = 5,229.52

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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.