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Finding the Fourth Proportional to 5,100.62, 7,653.09 and 2,789.42

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Solution

The fourth proportional to 5,100.62, 7,653.09 and 2,789.42 is: 4,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.62 : 7,653.09 = 2,789.42 : x
  2. Step 2: Convert to fraction form
    5,100.62/7,653.09 = 2,789.42/x
  3. Step 3: Cross multiply
    5,100.62x = 7,653.09 × 2,789.42
  4. Step 4: Simplify right side
    5,100.62x = 21,347,682.31
  5. Step 5: Solve for x
    x = 21,347,682.31/5,100.62
  6. Step 6: Final answer
    x = 4,185.31

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