Home / 5,723.72-8,576.40-3,251.20

Finding the Fourth Proportional to 5,723.72, 8,576.40 and 3,251.20

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Solution

The fourth proportional to 5,723.72, 8,576.40 and 3,251.20 is: 4,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.72 : 8,576.40 = 3,251.20 : x
  2. Step 2: Convert to fraction form
    5,723.72/8,576.40 = 3,251.20/x
  3. Step 3: Cross multiply
    5,723.72x = 8,576.40 × 3,251.20
  4. Step 4: Simplify right side
    5,723.72x = 27,883,591.68
  5. Step 5: Solve for x
    x = 27,883,591.68/5,723.72
  6. Step 6: Final answer
    x = 4,871.59

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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.