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Finding the Fourth Proportional to 6,673.91, 9,209.93 and 3,689.73

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Solution

The fourth proportional to 6,673.91, 9,209.93 and 3,689.73 is: 5,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.91 : 9,209.93 = 3,689.73 : x
  2. Step 2: Convert to fraction form
    6,673.91/9,209.93 = 3,689.73/x
  3. Step 3: Cross multiply
    6,673.91x = 9,209.93 × 3,689.73
  4. Step 4: Simplify right side
    6,673.91x = 33,982,136.57
  5. Step 5: Solve for x
    x = 33,982,136.57/6,673.91
  6. Step 6: Final answer
    x = 5,091.79

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