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Finding the Fourth Proportional to 4,675.12, 6,995.64 and 2,819.44

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Solution

The fourth proportional to 4,675.12, 6,995.64 and 2,819.44 is: 4,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.12 : 6,995.64 = 2,819.44 : x
  2. Step 2: Convert to fraction form
    4,675.12/6,995.64 = 2,819.44/x
  3. Step 3: Cross multiply
    4,675.12x = 6,995.64 × 2,819.44
  4. Step 4: Simplify right side
    4,675.12x = 19,723,787.24
  5. Step 5: Solve for x
    x = 19,723,787.24/4,675.12
  6. Step 6: Final answer
    x = 4,218.88

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