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Finding the Fourth Proportional to 7,381.92, 11,072.85 and 1,835.16

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Solution

The fourth proportional to 7,381.92, 11,072.85 and 1,835.16 is: 2,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.92 : 11,072.85 = 1,835.16 : x
  2. Step 2: Convert to fraction form
    7,381.92/11,072.85 = 1,835.16/x
  3. Step 3: Cross multiply
    7,381.92x = 11,072.85 × 1,835.16
  4. Step 4: Simplify right side
    7,381.92x = 20,320,451.41
  5. Step 5: Solve for x
    x = 20,320,451.41/7,381.92
  6. Step 6: Final answer
    x = 2,752.73

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