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Finding the Fourth Proportional to 6,541.85, 9,026.42 and 3,889.91

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Solution

The fourth proportional to 6,541.85, 9,026.42 and 3,889.91 is: 5,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.85 : 9,026.42 = 3,889.91 : x
  2. Step 2: Convert to fraction form
    6,541.85/9,026.42 = 3,889.91/x
  3. Step 3: Cross multiply
    6,541.85x = 9,026.42 × 3,889.91
  4. Step 4: Simplify right side
    6,541.85x = 35,111,896.84
  5. Step 5: Solve for x
    x = 35,111,896.84/6,541.85
  6. Step 6: Final answer
    x = 5,367.28

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