Home / 8,791.02-13,186.56-2,951.76

Finding the Fourth Proportional to 8,791.02, 13,186.56 and 2,951.76

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Solution

The fourth proportional to 8,791.02, 13,186.56 and 2,951.76 is: 4,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.02 : 13,186.56 = 2,951.76 : x
  2. Step 2: Convert to fraction form
    8,791.02/13,186.56 = 2,951.76/x
  3. Step 3: Cross multiply
    8,791.02x = 13,186.56 × 2,951.76
  4. Step 4: Simplify right side
    8,791.02x = 38,923,560.35
  5. Step 5: Solve for x
    x = 38,923,560.35/8,791.02
  6. Step 6: Final answer
    x = 4,427.65

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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.