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Finding the Fourth Proportional to 4,964.75, 7,447.13 and 2,228.75

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Solution

The fourth proportional to 4,964.75, 7,447.13 and 2,228.75 is: 3,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.75 : 7,447.13 = 2,228.75 : x
  2. Step 2: Convert to fraction form
    4,964.75/7,447.13 = 2,228.75/x
  3. Step 3: Cross multiply
    4,964.75x = 7,447.13 × 2,228.75
  4. Step 4: Simplify right side
    4,964.75x = 16,597,790.99
  5. Step 5: Solve for x
    x = 16,597,790.99/4,964.75
  6. Step 6: Final answer
    x = 3,343.13

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