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Finding the Fourth Proportional to 6,499.80, 9,748.71 and 2,117.25

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Solution

The fourth proportional to 6,499.80, 9,748.71 and 2,117.25 is: 3,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499.80 : 9,748.71 = 2,117.25 : x
  2. Step 2: Convert to fraction form
    6,499.80/9,748.71 = 2,117.25/x
  3. Step 3: Cross multiply
    6,499.80x = 9,748.71 × 2,117.25
  4. Step 4: Simplify right side
    6,499.80x = 20,640,456.25
  5. Step 5: Solve for x
    x = 20,640,456.25/6,499.80
  6. Step 6: Final answer
    x = 3,175.55

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