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Finding the Fourth Proportional to 6,218.70, 9,328.91 and 2,269.44

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Solution

The fourth proportional to 6,218.70, 9,328.91 and 2,269.44 is: 3,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.70 : 9,328.91 = 2,269.44 : x
  2. Step 2: Convert to fraction form
    6,218.70/9,328.91 = 2,269.44/x
  3. Step 3: Cross multiply
    6,218.70x = 9,328.91 × 2,269.44
  4. Step 4: Simplify right side
    6,218.70x = 21,171,390.16
  5. Step 5: Solve for x
    x = 21,171,390.16/6,218.70
  6. Step 6: Final answer
    x = 3,404.47

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