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Finding the Fourth Proportional to 7,952.80, 11,929.20 and 5,034.40

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Solution

The fourth proportional to 7,952.80, 11,929.20 and 5,034.40 is: 7,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.80 : 11,929.20 = 5,034.40 : x
  2. Step 2: Convert to fraction form
    7,952.80/11,929.20 = 5,034.40/x
  3. Step 3: Cross multiply
    7,952.80x = 11,929.20 × 5,034.40
  4. Step 4: Simplify right side
    7,952.80x = 60,056,364.48
  5. Step 5: Solve for x
    x = 60,056,364.48/7,952.80
  6. Step 6: Final answer
    x = 7,551.60

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