Home / 5,291.76-7,936.97-2,917.52

Finding the Fourth Proportional to 5,291.76, 7,936.97 and 2,917.52

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Solution

The fourth proportional to 5,291.76, 7,936.97 and 2,917.52 is: 4,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.76 : 7,936.97 = 2,917.52 : x
  2. Step 2: Convert to fraction form
    5,291.76/7,936.97 = 2,917.52/x
  3. Step 3: Cross multiply
    5,291.76x = 7,936.97 × 2,917.52
  4. Step 4: Simplify right side
    5,291.76x = 23,156,214.44
  5. Step 5: Solve for x
    x = 23,156,214.44/5,291.76
  6. Step 6: Final answer
    x = 4,375.90

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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.