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Finding the Fourth Proportional to 8,983.56, 12,392.43 and 5,625.72

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Solution

The fourth proportional to 8,983.56, 12,392.43 and 5,625.72 is: 7,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.56 : 12,392.43 = 5,625.72 : x
  2. Step 2: Convert to fraction form
    8,983.56/12,392.43 = 5,625.72/x
  3. Step 3: Cross multiply
    8,983.56x = 12,392.43 × 5,625.72
  4. Step 4: Simplify right side
    8,983.56x = 69,716,291.66
  5. Step 5: Solve for x
    x = 69,716,291.66/8,983.56
  6. Step 6: Final answer
    x = 7,760.43

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