Home / 5,845.38-8,769.24-2,147.64

Finding the Fourth Proportional to 5,845.38, 8,769.24 and 2,147.64

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Solution

The fourth proportional to 5,845.38, 8,769.24 and 2,147.64 is: 3,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.38 : 8,769.24 = 2,147.64 : x
  2. Step 2: Convert to fraction form
    5,845.38/8,769.24 = 2,147.64/x
  3. Step 3: Cross multiply
    5,845.38x = 8,769.24 × 2,147.64
  4. Step 4: Simplify right side
    5,845.38x = 18,833,170.59
  5. Step 5: Solve for x
    x = 18,833,170.59/5,845.38
  6. Step 6: Final answer
    x = 3,221.89

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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.