Home / 5,229.56-7,216.80-2,871.86

Finding the Fourth Proportional to 5,229.56, 7,216.80 and 2,871.86

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Solution

The fourth proportional to 5,229.56, 7,216.80 and 2,871.86 is: 3,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.56 : 7,216.80 = 2,871.86 : x
  2. Step 2: Convert to fraction form
    5,229.56/7,216.80 = 2,871.86/x
  3. Step 3: Cross multiply
    5,229.56x = 7,216.80 × 2,871.86
  4. Step 4: Simplify right side
    5,229.56x = 20,725,592.39
  5. Step 5: Solve for x
    x = 20,725,592.39/5,229.56
  6. Step 6: Final answer
    x = 3,963.16

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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.