Home / 8,786.55-13,179.34-2,212.72

Finding the Fourth Proportional to 8,786.55, 13,179.34 and 2,212.72

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Solution

The fourth proportional to 8,786.55, 13,179.34 and 2,212.72 is: 3,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.55 : 13,179.34 = 2,212.72 : x
  2. Step 2: Convert to fraction form
    8,786.55/13,179.34 = 2,212.72/x
  3. Step 3: Cross multiply
    8,786.55x = 13,179.34 × 2,212.72
  4. Step 4: Simplify right side
    8,786.55x = 29,162,189.20
  5. Step 5: Solve for x
    x = 29,162,189.20/8,786.55
  6. Step 6: Final answer
    x = 3,318.96

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