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Finding the Fourth Proportional to 7,958.18, 11,919.09 and 3,801.12

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Solution

The fourth proportional to 7,958.18, 11,919.09 and 3,801.12 is: 5,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.18 : 11,919.09 = 3,801.12 : x
  2. Step 2: Convert to fraction form
    7,958.18/11,919.09 = 3,801.12/x
  3. Step 3: Cross multiply
    7,958.18x = 11,919.09 × 3,801.12
  4. Step 4: Simplify right side
    7,958.18x = 45,305,891.38
  5. Step 5: Solve for x
    x = 45,305,891.38/7,958.18
  6. Step 6: Final answer
    x = 5,693.00

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