Home / 5,229.43-7,216.65-2,871.61

Finding the Fourth Proportional to 5,229.43, 7,216.65 and 2,871.61

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Solution

The fourth proportional to 5,229.43, 7,216.65 and 2,871.61 is: 3,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.43 : 7,216.65 = 2,871.61 : x
  2. Step 2: Convert to fraction form
    5,229.43/7,216.65 = 2,871.61/x
  3. Step 3: Cross multiply
    5,229.43x = 7,216.65 × 2,871.61
  4. Step 4: Simplify right side
    5,229.43x = 20,723,404.31
  5. Step 5: Solve for x
    x = 20,723,404.31/5,229.43
  6. Step 6: Final answer
    x = 3,962.84

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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.