Home / 8,198.10-12,297.15-2,355.21

Finding the Fourth Proportional to 8,198.10, 12,297.15 and 2,355.21

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Solution

The fourth proportional to 8,198.10, 12,297.15 and 2,355.21 is: 3,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.10 : 12,297.15 = 2,355.21 : x
  2. Step 2: Convert to fraction form
    8,198.10/12,297.15 = 2,355.21/x
  3. Step 3: Cross multiply
    8,198.10x = 12,297.15 × 2,355.21
  4. Step 4: Simplify right side
    8,198.10x = 28,962,370.65
  5. Step 5: Solve for x
    x = 28,962,370.65/8,198.10
  6. Step 6: Final answer
    x = 3,532.82

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Similar ratio
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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.