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Finding the Fourth Proportional to 5,173.90, 7,760.86 and 2,709.44

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Solution

The fourth proportional to 5,173.90, 7,760.86 and 2,709.44 is: 4,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.90 : 7,760.86 = 2,709.44 : x
  2. Step 2: Convert to fraction form
    5,173.90/7,760.86 = 2,709.44/x
  3. Step 3: Cross multiply
    5,173.90x = 7,760.86 × 2,709.44
  4. Step 4: Simplify right side
    5,173.90x = 21,027,584.52
  5. Step 5: Solve for x
    x = 21,027,584.52/5,173.90
  6. Step 6: Final answer
    x = 4,064.17

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