Home / 8,636.97-12,952.68-3,705.28

Finding the Fourth Proportional to 8,636.97, 12,952.68 and 3,705.28

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Solution

The fourth proportional to 8,636.97, 12,952.68 and 3,705.28 is: 5,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.97 : 12,952.68 = 3,705.28 : x
  2. Step 2: Convert to fraction form
    8,636.97/12,952.68 = 3,705.28/x
  3. Step 3: Cross multiply
    8,636.97x = 12,952.68 × 3,705.28
  4. Step 4: Simplify right side
    8,636.97x = 47,993,306.15
  5. Step 5: Solve for x
    x = 47,993,306.15/8,636.97
  6. Step 6: Final answer
    x = 5,556.73

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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.