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Finding the Fourth Proportional to 7,367.78, 11,052.75 and 2,172.98

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Solution

The fourth proportional to 7,367.78, 11,052.75 and 2,172.98 is: 3,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.78 : 11,052.75 = 2,172.98 : x
  2. Step 2: Convert to fraction form
    7,367.78/11,052.75 = 2,172.98/x
  3. Step 3: Cross multiply
    7,367.78x = 11,052.75 × 2,172.98
  4. Step 4: Simplify right side
    7,367.78x = 24,017,404.70
  5. Step 5: Solve for x
    x = 24,017,404.70/7,367.78
  6. Step 6: Final answer
    x = 3,259.79

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