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Finding the Fourth Proportional to 6,851.53, 10,276.94 and 1,921.51

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Solution

The fourth proportional to 6,851.53, 10,276.94 and 1,921.51 is: 2,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.53 : 10,276.94 = 1,921.51 : x
  2. Step 2: Convert to fraction form
    6,851.53/10,276.94 = 1,921.51/x
  3. Step 3: Cross multiply
    6,851.53x = 10,276.94 × 1,921.51
  4. Step 4: Simplify right side
    6,851.53x = 19,747,233.37
  5. Step 5: Solve for x
    x = 19,747,233.37/6,851.53
  6. Step 6: Final answer
    x = 2,882.16

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