Home / 9,320.88-13,981.98-3,080.64

Finding the Fourth Proportional to 9,320.88, 13,981.98 and 3,080.64

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Solution

The fourth proportional to 9,320.88, 13,981.98 and 3,080.64 is: 4,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.88 : 13,981.98 = 3,080.64 : x
  2. Step 2: Convert to fraction form
    9,320.88/13,981.98 = 3,080.64/x
  3. Step 3: Cross multiply
    9,320.88x = 13,981.98 × 3,080.64
  4. Step 4: Simplify right side
    9,320.88x = 43,073,446.87
  5. Step 5: Solve for x
    x = 43,073,446.87/9,320.88
  6. Step 6: Final answer
    x = 4,621.18

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