Home / 8,198.15-12,285.91-3,744.97

Finding the Fourth Proportional to 8,198.15, 12,285.91 and 3,744.97

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Solution

The fourth proportional to 8,198.15, 12,285.91 and 3,744.97 is: 5,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.15 : 12,285.91 = 3,744.97 : x
  2. Step 2: Convert to fraction form
    8,198.15/12,285.91 = 3,744.97/x
  3. Step 3: Cross multiply
    8,198.15x = 12,285.91 × 3,744.97
  4. Step 4: Simplify right side
    8,198.15x = 46,010,338.34
  5. Step 5: Solve for x
    x = 46,010,338.34/8,198.15
  6. Step 6: Final answer
    x = 5,612.29

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1.5x scale

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.