Home / 8,723.25-13,085.72-2,798.64

Finding the Fourth Proportional to 8,723.25, 13,085.72 and 2,798.64

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Solution

The fourth proportional to 8,723.25, 13,085.72 and 2,798.64 is: 4,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.25 : 13,085.72 = 2,798.64 : x
  2. Step 2: Convert to fraction form
    8,723.25/13,085.72 = 2,798.64/x
  3. Step 3: Cross multiply
    8,723.25x = 13,085.72 × 2,798.64
  4. Step 4: Simplify right side
    8,723.25x = 36,622,205.43
  5. Step 5: Solve for x
    x = 36,622,205.43/8,723.25
  6. Step 6: Final answer
    x = 4,198.23

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