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Finding the Fourth Proportional to 5,174.56, 7,140.20 and 2,936.56

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Solution

The fourth proportional to 5,174.56, 7,140.20 and 2,936.56 is: 4,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.56 : 7,140.20 = 2,936.56 : x
  2. Step 2: Convert to fraction form
    5,174.56/7,140.20 = 2,936.56/x
  3. Step 3: Cross multiply
    5,174.56x = 7,140.20 × 2,936.56
  4. Step 4: Simplify right side
    5,174.56x = 20,967,625.71
  5. Step 5: Solve for x
    x = 20,967,625.71/5,174.56
  6. Step 6: Final answer
    x = 4,052.06

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