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Finding the Fourth Proportional to 4,872.15, 6,723.29 and 2,882.89

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Solution

The fourth proportional to 4,872.15, 6,723.29 and 2,882.89 is: 3,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.15 : 6,723.29 = 2,882.89 : x
  2. Step 2: Convert to fraction form
    4,872.15/6,723.29 = 2,882.89/x
  3. Step 3: Cross multiply
    4,872.15x = 6,723.29 × 2,882.89
  4. Step 4: Simplify right side
    4,872.15x = 19,382,457.48
  5. Step 5: Solve for x
    x = 19,382,457.48/4,872.15
  6. Step 6: Final answer
    x = 3,978.22

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