Home / 5,182.30-7,151.56-2,824.44

Finding the Fourth Proportional to 5,182.30, 7,151.56 and 2,824.44

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Solution

The fourth proportional to 5,182.30, 7,151.56 and 2,824.44 is: 3,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.30 : 7,151.56 = 2,824.44 : x
  2. Step 2: Convert to fraction form
    5,182.30/7,151.56 = 2,824.44/x
  3. Step 3: Cross multiply
    5,182.30x = 7,151.56 × 2,824.44
  4. Step 4: Simplify right side
    5,182.30x = 20,199,102.25
  5. Step 5: Solve for x
    x = 20,199,102.25/5,182.30
  6. Step 6: Final answer
    x = 3,897.71

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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.