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Finding the Fourth Proportional to 4,978.97, 7,469.67 and 1,516.22

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Solution

The fourth proportional to 4,978.97, 7,469.67 and 1,516.22 is: 2,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.97 : 7,469.67 = 1,516.22 : x
  2. Step 2: Convert to fraction form
    4,978.97/7,469.67 = 1,516.22/x
  3. Step 3: Cross multiply
    4,978.97x = 7,469.67 × 1,516.22
  4. Step 4: Simplify right side
    4,978.97x = 11,325,663.05
  5. Step 5: Solve for x
    x = 11,325,663.05/4,978.97
  6. Step 6: Final answer
    x = 2,274.70

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