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Finding the Fourth Proportional to 5,047.26, 6,965.64 and 2,809.56

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Solution

The fourth proportional to 5,047.26, 6,965.64 and 2,809.56 is: 3,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.26 : 6,965.64 = 2,809.56 : x
  2. Step 2: Convert to fraction form
    5,047.26/6,965.64 = 2,809.56/x
  3. Step 3: Cross multiply
    5,047.26x = 6,965.64 × 2,809.56
  4. Step 4: Simplify right side
    5,047.26x = 19,570,383.52
  5. Step 5: Solve for x
    x = 19,570,383.52/5,047.26
  6. Step 6: Final answer
    x = 3,877.43

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