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Finding the Fourth Proportional to 7,909.76, 11,865.42 and 2,716.04

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Solution

The fourth proportional to 7,909.76, 11,865.42 and 2,716.04 is: 4,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.76 : 11,865.42 = 2,716.04 : x
  2. Step 2: Convert to fraction form
    7,909.76/11,865.42 = 2,716.04/x
  3. Step 3: Cross multiply
    7,909.76x = 11,865.42 × 2,716.04
  4. Step 4: Simplify right side
    7,909.76x = 32,226,955.34
  5. Step 5: Solve for x
    x = 32,226,955.34/7,909.76
  6. Step 6: Final answer
    x = 4,074.33

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