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Finding the Fourth Proportional to 4,969.52, 6,858.40 and 2,731.80

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Solution

The fourth proportional to 4,969.52, 6,858.40 and 2,731.80 is: 3,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.52 : 6,858.40 = 2,731.80 : x
  2. Step 2: Convert to fraction form
    4,969.52/6,858.40 = 2,731.80/x
  3. Step 3: Cross multiply
    4,969.52x = 6,858.40 × 2,731.80
  4. Step 4: Simplify right side
    4,969.52x = 18,735,777.12
  5. Step 5: Solve for x
    x = 18,735,777.12/4,969.52
  6. Step 6: Final answer
    x = 3,770.14

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