Home / 4,355.38-6,531.45-2,162.91

Finding the Fourth Proportional to 4,355.38, 6,531.45 and 2,162.91

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Solution

The fourth proportional to 4,355.38, 6,531.45 and 2,162.91 is: 3,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.38 : 6,531.45 = 2,162.91 : x
  2. Step 2: Convert to fraction form
    4,355.38/6,531.45 = 2,162.91/x
  3. Step 3: Cross multiply
    4,355.38x = 6,531.45 × 2,162.91
  4. Step 4: Simplify right side
    4,355.38x = 14,126,938.52
  5. Step 5: Solve for x
    x = 14,126,938.52/4,355.38
  6. Step 6: Final answer
    x = 3,243.56

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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.