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Finding the Fourth Proportional to 4,169.80, 6,254.70 and 3,829.60

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Solution

The fourth proportional to 4,169.80, 6,254.70 and 3,829.60 is: 5,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.80 : 6,254.70 = 3,829.60 : x
  2. Step 2: Convert to fraction form
    4,169.80/6,254.70 = 3,829.60/x
  3. Step 3: Cross multiply
    4,169.80x = 6,254.70 × 3,829.60
  4. Step 4: Simplify right side
    4,169.80x = 23,952,999.12
  5. Step 5: Solve for x
    x = 23,952,999.12/4,169.80
  6. Step 6: Final answer
    x = 5,744.40

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