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Finding the Fourth Proportional to 4,765.22, 7,149.66 and 1,479.46

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Solution

The fourth proportional to 4,765.22, 7,149.66 and 1,479.46 is: 2,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.22 : 7,149.66 = 1,479.46 : x
  2. Step 2: Convert to fraction form
    4,765.22/7,149.66 = 1,479.46/x
  3. Step 3: Cross multiply
    4,765.22x = 7,149.66 × 1,479.46
  4. Step 4: Simplify right side
    4,765.22x = 10,577,635.98
  5. Step 5: Solve for x
    x = 10,577,635.98/4,765.22
  6. Step 6: Final answer
    x = 2,219.76

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