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Finding the Fourth Proportional to 5,257.71, 7,884.64 and 1,747.08

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Solution

The fourth proportional to 5,257.71, 7,884.64 and 1,747.08 is: 2,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.71 : 7,884.64 = 1,747.08 : x
  2. Step 2: Convert to fraction form
    5,257.71/7,884.64 = 1,747.08/x
  3. Step 3: Cross multiply
    5,257.71x = 7,884.64 × 1,747.08
  4. Step 4: Simplify right side
    5,257.71x = 13,775,096.85
  5. Step 5: Solve for x
    x = 13,775,096.85/5,257.71
  6. Step 6: Final answer
    x = 2,619.98

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