Home / 8,198.48-12,294.84-3,269.36

Finding the Fourth Proportional to 8,198.48, 12,294.84 and 3,269.36

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Solution

The fourth proportional to 8,198.48, 12,294.84 and 3,269.36 is: 4,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.48 : 12,294.84 = 3,269.36 : x
  2. Step 2: Convert to fraction form
    8,198.48/12,294.84 = 3,269.36/x
  3. Step 3: Cross multiply
    8,198.48x = 12,294.84 × 3,269.36
  4. Step 4: Simplify right side
    8,198.48x = 40,196,258.10
  5. Step 5: Solve for x
    x = 40,196,258.10/8,198.48
  6. Step 6: Final answer
    x = 4,902.89

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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.