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Finding the Fourth Proportional to 5,323.20, 7,986.96 and 2,400.96

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Solution

The fourth proportional to 5,323.20, 7,986.96 and 2,400.96 is: 3,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.20 : 7,986.96 = 2,400.96 : x
  2. Step 2: Convert to fraction form
    5,323.20/7,986.96 = 2,400.96/x
  3. Step 3: Cross multiply
    5,323.20x = 7,986.96 × 2,400.96
  4. Step 4: Simplify right side
    5,323.20x = 19,176,371.48
  5. Step 5: Solve for x
    x = 19,176,371.48/5,323.20
  6. Step 6: Final answer
    x = 3,602.41

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