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Finding the Fourth Proportional to 6,816, 10,226.40 and 3,355.68

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Solution

The fourth proportional to 6,816, 10,226.40 and 3,355.68 is: 5,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816 : 10,226.40 = 3,355.68 : x
  2. Step 2: Convert to fraction form
    6,816/10,226.40 = 3,355.68/x
  3. Step 3: Cross multiply
    6,816x = 10,226.40 × 3,355.68
  4. Step 4: Simplify right side
    6,816x = 34,316,525.95
  5. Step 5: Solve for x
    x = 34,316,525.95/6,816
  6. Step 6: Final answer
    x = 5,034.70

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