Home / 9,199.80-13,787.55-3,350.79

Finding the Fourth Proportional to 9,199.80, 13,787.55 and 3,350.79

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Solution

The fourth proportional to 9,199.80, 13,787.55 and 3,350.79 is: 5,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.80 : 13,787.55 = 3,350.79 : x
  2. Step 2: Convert to fraction form
    9,199.80/13,787.55 = 3,350.79/x
  3. Step 3: Cross multiply
    9,199.80x = 13,787.55 × 3,350.79
  4. Step 4: Simplify right side
    9,199.80x = 46,199,172.10
  5. Step 5: Solve for x
    x = 46,199,172.10/9,199.80
  6. Step 6: Final answer
    x = 5,021.76

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