Home / 5,182.28-7,151.32-2,824.43

Finding the Fourth Proportional to 5,182.28, 7,151.32 and 2,824.43

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Solution

The fourth proportional to 5,182.28, 7,151.32 and 2,824.43 is: 3,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.28 : 7,151.32 = 2,824.43 : x
  2. Step 2: Convert to fraction form
    5,182.28/7,151.32 = 2,824.43/x
  3. Step 3: Cross multiply
    5,182.28x = 7,151.32 × 2,824.43
  4. Step 4: Simplify right side
    5,182.28x = 20,198,402.75
  5. Step 5: Solve for x
    x = 20,198,402.75/5,182.28
  6. Step 6: Final answer
    x = 3,897.59

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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.