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Finding the Fourth Proportional to 9,119.56, 13,679.99 and 3,195.75

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Solution

The fourth proportional to 9,119.56, 13,679.99 and 3,195.75 is: 4,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.56 : 13,679.99 = 3,195.75 : x
  2. Step 2: Convert to fraction form
    9,119.56/13,679.99 = 3,195.75/x
  3. Step 3: Cross multiply
    9,119.56x = 13,679.99 × 3,195.75
  4. Step 4: Simplify right side
    9,119.56x = 43,717,875.35
  5. Step 5: Solve for x
    x = 43,717,875.35/9,119.56
  6. Step 6: Final answer
    x = 4,793.86

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