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Finding the Fourth Proportional to 7,632.72, 11,439.84 and 3,932.93

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Solution

The fourth proportional to 7,632.72, 11,439.84 and 3,932.93 is: 5,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.72 : 11,439.84 = 3,932.93 : x
  2. Step 2: Convert to fraction form
    7,632.72/11,439.84 = 3,932.93/x
  3. Step 3: Cross multiply
    7,632.72x = 11,439.84 × 3,932.93
  4. Step 4: Simplify right side
    7,632.72x = 44,992,032.73
  5. Step 5: Solve for x
    x = 44,992,032.73/7,632.72
  6. Step 6: Final answer
    x = 5,894.63

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