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Finding the Fourth Proportional to 8,399.97, 12,601.35 and 2,853.81

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Solution

The fourth proportional to 8,399.97, 12,601.35 and 2,853.81 is: 4,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.97 : 12,601.35 = 2,853.81 : x
  2. Step 2: Convert to fraction form
    8,399.97/12,601.35 = 2,853.81/x
  3. Step 3: Cross multiply
    8,399.97x = 12,601.35 × 2,853.81
  4. Step 4: Simplify right side
    8,399.97x = 35,961,858.64
  5. Step 5: Solve for x
    x = 35,961,858.64/8,399.97
  6. Step 6: Final answer
    x = 4,281.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.