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Finding the Fourth Proportional to 5,755.37, 8,614.49 and 2,978.22

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Solution

The fourth proportional to 5,755.37, 8,614.49 and 2,978.22 is: 4,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.37 : 8,614.49 = 2,978.22 : x
  2. Step 2: Convert to fraction form
    5,755.37/8,614.49 = 2,978.22/x
  3. Step 3: Cross multiply
    5,755.37x = 8,614.49 × 2,978.22
  4. Step 4: Simplify right side
    5,755.37x = 25,655,846.41
  5. Step 5: Solve for x
    x = 25,655,846.41/5,755.37
  6. Step 6: Final answer
    x = 4,457.72

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