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Finding the Fourth Proportional to 6,216.75, 9,325.13 and 2,112.75

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Solution

The fourth proportional to 6,216.75, 9,325.13 and 2,112.75 is: 3,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.75 : 9,325.13 = 2,112.75 : x
  2. Step 2: Convert to fraction form
    6,216.75/9,325.13 = 2,112.75/x
  3. Step 3: Cross multiply
    6,216.75x = 9,325.13 × 2,112.75
  4. Step 4: Simplify right side
    6,216.75x = 19,701,657.84
  5. Step 5: Solve for x
    x = 19,701,657.84/6,216.75
  6. Step 6: Final answer
    x = 3,169.13

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