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Finding the Fourth Proportional to 5,272.52, 7,909.98 and 1,809.56

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Solution

The fourth proportional to 5,272.52, 7,909.98 and 1,809.56 is: 2,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.52 : 7,909.98 = 1,809.56 : x
  2. Step 2: Convert to fraction form
    5,272.52/7,909.98 = 1,809.56/x
  3. Step 3: Cross multiply
    5,272.52x = 7,909.98 × 1,809.56
  4. Step 4: Simplify right side
    5,272.52x = 14,313,583.41
  5. Step 5: Solve for x
    x = 14,313,583.41/5,272.52
  6. Step 6: Final answer
    x = 2,714.75

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