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Finding the Fourth Proportional to 6,795.12, 10,192.95 and 2,115.21

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Solution

The fourth proportional to 6,795.12, 10,192.95 and 2,115.21 is: 3,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,795.12 : 10,192.95 = 2,115.21 : x
  2. Step 2: Convert to fraction form
    6,795.12/10,192.95 = 2,115.21/x
  3. Step 3: Cross multiply
    6,795.12x = 10,192.95 × 2,115.21
  4. Step 4: Simplify right side
    6,795.12x = 21,560,229.77
  5. Step 5: Solve for x
    x = 21,560,229.77/6,795.12
  6. Step 6: Final answer
    x = 3,172.90

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