Home / 8,161.68-12,241.89-2,613.54

Finding the Fourth Proportional to 8,161.68, 12,241.89 and 2,613.54

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Solution

The fourth proportional to 8,161.68, 12,241.89 and 2,613.54 is: 3,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.68 : 12,241.89 = 2,613.54 : x
  2. Step 2: Convert to fraction form
    8,161.68/12,241.89 = 2,613.54/x
  3. Step 3: Cross multiply
    8,161.68x = 12,241.89 × 2,613.54
  4. Step 4: Simplify right side
    8,161.68x = 31,994,669.19
  5. Step 5: Solve for x
    x = 31,994,669.19/8,161.68
  6. Step 6: Final answer
    x = 3,920.11

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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.