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Finding the Fourth Proportional to 5,682.22, 8,523.70 and 1,786.78

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Solution

The fourth proportional to 5,682.22, 8,523.70 and 1,786.78 is: 2,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.22 : 8,523.70 = 1,786.78 : x
  2. Step 2: Convert to fraction form
    5,682.22/8,523.70 = 1,786.78/x
  3. Step 3: Cross multiply
    5,682.22x = 8,523.70 × 1,786.78
  4. Step 4: Simplify right side
    5,682.22x = 15,229,976.69
  5. Step 5: Solve for x
    x = 15,229,976.69/5,682.22
  6. Step 6: Final answer
    x = 2,680.29

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