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Finding the Fourth Proportional to 6,531.21, 9,798.03 and 2,148.98

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Solution

The fourth proportional to 6,531.21, 9,798.03 and 2,148.98 is: 3,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.21 : 9,798.03 = 2,148.98 : x
  2. Step 2: Convert to fraction form
    6,531.21/9,798.03 = 2,148.98/x
  3. Step 3: Cross multiply
    6,531.21x = 9,798.03 × 2,148.98
  4. Step 4: Simplify right side
    6,531.21x = 21,055,721.52
  5. Step 5: Solve for x
    x = 21,055,721.52/6,531.21
  6. Step 6: Final answer
    x = 3,223.86

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