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Finding the Fourth Proportional to 7,769.80, 11,656.52 and 2,223.22

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Solution

The fourth proportional to 7,769.80, 11,656.52 and 2,223.22 is: 3,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.80 : 11,656.52 = 2,223.22 : x
  2. Step 2: Convert to fraction form
    7,769.80/11,656.52 = 2,223.22/x
  3. Step 3: Cross multiply
    7,769.80x = 11,656.52 × 2,223.22
  4. Step 4: Simplify right side
    7,769.80x = 25,915,008.39
  5. Step 5: Solve for x
    x = 25,915,008.39/7,769.80
  6. Step 6: Final answer
    x = 3,335.35

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