Home / 5,905.38-8,149.40-3,252.78

Finding the Fourth Proportional to 5,905.38, 8,149.40 and 3,252.78

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Solution

The fourth proportional to 5,905.38, 8,149.40 and 3,252.78 is: 4,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.38 : 8,149.40 = 3,252.78 : x
  2. Step 2: Convert to fraction form
    5,905.38/8,149.40 = 3,252.78/x
  3. Step 3: Cross multiply
    5,905.38x = 8,149.40 × 3,252.78
  4. Step 4: Simplify right side
    5,905.38x = 26,508,189.07
  5. Step 5: Solve for x
    x = 26,508,189.07/5,905.38
  6. Step 6: Final answer
    x = 4,488.82

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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.