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Finding the Fourth Proportional to 4,923.72, 7,381.92 and 1,634.88

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Solution

The fourth proportional to 4,923.72, 7,381.92 and 1,634.88 is: 2,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.72 : 7,381.92 = 1,634.88 : x
  2. Step 2: Convert to fraction form
    4,923.72/7,381.92 = 1,634.88/x
  3. Step 3: Cross multiply
    4,923.72x = 7,381.92 × 1,634.88
  4. Step 4: Simplify right side
    4,923.72x = 12,068,553.37
  5. Step 5: Solve for x
    x = 12,068,553.37/4,923.72
  6. Step 6: Final answer
    x = 2,451.10

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