Home / 7,613.82-11,420.74-2,683.85

Finding the Fourth Proportional to 7,613.82, 11,420.74 and 2,683.85

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Solution

The fourth proportional to 7,613.82, 11,420.74 and 2,683.85 is: 4,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.82 : 11,420.74 = 2,683.85 : x
  2. Step 2: Convert to fraction form
    7,613.82/11,420.74 = 2,683.85/x
  3. Step 3: Cross multiply
    7,613.82x = 11,420.74 × 2,683.85
  4. Step 4: Simplify right side
    7,613.82x = 30,651,553.05
  5. Step 5: Solve for x
    x = 30,651,553.05/7,613.82
  6. Step 6: Final answer
    x = 4,025.78

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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.