Home / 8,183.26-12,252.66-6,418.90

Finding the Fourth Proportional to 8,183.26, 12,252.66 and 6,418.90

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Solution

The fourth proportional to 8,183.26, 12,252.66 and 6,418.90 is: 9,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.26 : 12,252.66 = 6,418.90 : x
  2. Step 2: Convert to fraction form
    8,183.26/12,252.66 = 6,418.90/x
  3. Step 3: Cross multiply
    8,183.26x = 12,252.66 × 6,418.90
  4. Step 4: Simplify right side
    8,183.26x = 78,648,599.27
  5. Step 5: Solve for x
    x = 78,648,599.27/8,183.26
  6. Step 6: Final answer
    x = 9,610.91

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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.