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Finding the Fourth Proportional to 7,230.88, 10,837.20 and 3,937.12

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Solution

The fourth proportional to 7,230.88, 10,837.20 and 3,937.12 is: 5,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.88 : 10,837.20 = 3,937.12 : x
  2. Step 2: Convert to fraction form
    7,230.88/10,837.20 = 3,937.12/x
  3. Step 3: Cross multiply
    7,230.88x = 10,837.20 × 3,937.12
  4. Step 4: Simplify right side
    7,230.88x = 42,667,356.86
  5. Step 5: Solve for x
    x = 42,667,356.86/7,230.88
  6. Step 6: Final answer
    x = 5,900.71

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