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Finding the Fourth Proportional to 7,951.92, 11,927.88 and 2,757.84

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Solution

The fourth proportional to 7,951.92, 11,927.88 and 2,757.84 is: 4,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.92 : 11,927.88 = 2,757.84 : x
  2. Step 2: Convert to fraction form
    7,951.92/11,927.88 = 2,757.84/x
  3. Step 3: Cross multiply
    7,951.92x = 11,927.88 × 2,757.84
  4. Step 4: Simplify right side
    7,951.92x = 32,895,184.58
  5. Step 5: Solve for x
    x = 32,895,184.58/7,951.92
  6. Step 6: Final answer
    x = 4,136.76

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