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Finding the Fourth Proportional to 8,283.78, 12,425.88 and 2,440.59

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Solution

The fourth proportional to 8,283.78, 12,425.88 and 2,440.59 is: 3,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.78 : 12,425.88 = 2,440.59 : x
  2. Step 2: Convert to fraction form
    8,283.78/12,425.88 = 2,440.59/x
  3. Step 3: Cross multiply
    8,283.78x = 12,425.88 × 2,440.59
  4. Step 4: Simplify right side
    8,283.78x = 30,326,478.47
  5. Step 5: Solve for x
    x = 30,326,478.47/8,283.78
  6. Step 6: Final answer
    x = 3,660.95

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