Home / 5,619.27-8,429.99-2,156.25

Finding the Fourth Proportional to 5,619.27, 8,429.99 and 2,156.25

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Solution

The fourth proportional to 5,619.27, 8,429.99 and 2,156.25 is: 3,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.27 : 8,429.99 = 2,156.25 : x
  2. Step 2: Convert to fraction form
    5,619.27/8,429.99 = 2,156.25/x
  3. Step 3: Cross multiply
    5,619.27x = 8,429.99 × 2,156.25
  4. Step 4: Simplify right side
    5,619.27x = 18,177,165.94
  5. Step 5: Solve for x
    x = 18,177,165.94/5,619.27
  6. Step 6: Final answer
    x = 3,234.79

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