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Finding the Fourth Proportional to 6,276.94, 9,415.43 and 2,116.97

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Solution

The fourth proportional to 6,276.94, 9,415.43 and 2,116.97 is: 3,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.94 : 9,415.43 = 2,116.97 : x
  2. Step 2: Convert to fraction form
    6,276.94/9,415.43 = 2,116.97/x
  3. Step 3: Cross multiply
    6,276.94x = 9,415.43 × 2,116.97
  4. Step 4: Simplify right side
    6,276.94x = 19,932,218.57
  5. Step 5: Solve for x
    x = 19,932,218.57/6,276.94
  6. Step 6: Final answer
    x = 3,175.47

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