Home / 7,947.12-11,920.77-2,400.96

Finding the Fourth Proportional to 7,947.12, 11,920.77 and 2,400.96

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Solution

The fourth proportional to 7,947.12, 11,920.77 and 2,400.96 is: 3,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.12 : 11,920.77 = 2,400.96 : x
  2. Step 2: Convert to fraction form
    7,947.12/11,920.77 = 2,400.96/x
  3. Step 3: Cross multiply
    7,947.12x = 11,920.77 × 2,400.96
  4. Step 4: Simplify right side
    7,947.12x = 28,621,291.94
  5. Step 5: Solve for x
    x = 28,621,291.94/7,947.12
  6. Step 6: Final answer
    x = 3,601.47

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