Home / 6,816.32-10,227.72-2,921.84

Finding the Fourth Proportional to 6,816.32, 10,227.72 and 2,921.84

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Solution

The fourth proportional to 6,816.32, 10,227.72 and 2,921.84 is: 4,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.32 : 10,227.72 = 2,921.84 : x
  2. Step 2: Convert to fraction form
    6,816.32/10,227.72 = 2,921.84/x
  3. Step 3: Cross multiply
    6,816.32x = 10,227.72 × 2,921.84
  4. Step 4: Simplify right side
    6,816.32x = 29,883,761.40
  5. Step 5: Solve for x
    x = 29,883,761.40/6,816.32
  6. Step 6: Final answer
    x = 4,384.15

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