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Finding the Fourth Proportional to 7,909.52, 11,865.48 and 2,716.88

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Solution

The fourth proportional to 7,909.52, 11,865.48 and 2,716.88 is: 4,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.52 : 11,865.48 = 2,716.88 : x
  2. Step 2: Convert to fraction form
    7,909.52/11,865.48 = 2,716.88/x
  3. Step 3: Cross multiply
    7,909.52x = 11,865.48 × 2,716.88
  4. Step 4: Simplify right side
    7,909.52x = 32,237,085.30
  5. Step 5: Solve for x
    x = 32,237,085.30/7,909.52
  6. Step 6: Final answer
    x = 4,075.73

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