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Finding the Fourth Proportional to 6,800.11, 10,198.83 and 1,868.48

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Solution

The fourth proportional to 6,800.11, 10,198.83 and 1,868.48 is: 2,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.11 : 10,198.83 = 1,868.48 : x
  2. Step 2: Convert to fraction form
    6,800.11/10,198.83 = 1,868.48/x
  3. Step 3: Cross multiply
    6,800.11x = 10,198.83 × 1,868.48
  4. Step 4: Simplify right side
    6,800.11x = 19,056,309.88
  5. Step 5: Solve for x
    x = 19,056,309.88/6,800.11
  6. Step 6: Final answer
    x = 2,802.35

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