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Finding the Fourth Proportional to 5,272.56, 7,909.98 and 1,575.08

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Solution

The fourth proportional to 5,272.56, 7,909.98 and 1,575.08 is: 2,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.56 : 7,909.98 = 1,575.08 : x
  2. Step 2: Convert to fraction form
    5,272.56/7,909.98 = 1,575.08/x
  3. Step 3: Cross multiply
    5,272.56x = 7,909.98 × 1,575.08
  4. Step 4: Simplify right side
    5,272.56x = 12,458,851.30
  5. Step 5: Solve for x
    x = 12,458,851.30/5,272.56
  6. Step 6: Final answer
    x = 2,362.96

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