Home / 5,503.28-8,243.76-2,721.56

Finding the Fourth Proportional to 5,503.28, 8,243.76 and 2,721.56

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Solution

The fourth proportional to 5,503.28, 8,243.76 and 2,721.56 is: 4,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.28 : 8,243.76 = 2,721.56 : x
  2. Step 2: Convert to fraction form
    5,503.28/8,243.76 = 2,721.56/x
  3. Step 3: Cross multiply
    5,503.28x = 8,243.76 × 2,721.56
  4. Step 4: Simplify right side
    5,503.28x = 22,435,887.47
  5. Step 5: Solve for x
    x = 22,435,887.47/5,503.28
  6. Step 6: Final answer
    x = 4,076.82

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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.