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Finding the Fourth Proportional to 7,243.97, 10,869.59 and 5,398.79

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Solution

The fourth proportional to 7,243.97, 10,869.59 and 5,398.79 is: 8,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.97 : 10,869.59 = 5,398.79 : x
  2. Step 2: Convert to fraction form
    7,243.97/10,869.59 = 5,398.79/x
  3. Step 3: Cross multiply
    7,243.97x = 10,869.59 × 5,398.79
  4. Step 4: Simplify right side
    7,243.97x = 58,682,592.95
  5. Step 5: Solve for x
    x = 58,682,592.95/7,243.97
  6. Step 6: Final answer
    x = 8,100.89

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