Home / 8,457.22-12,685.83-2,613.70

Finding the Fourth Proportional to 8,457.22, 12,685.83 and 2,613.70

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Solution

The fourth proportional to 8,457.22, 12,685.83 and 2,613.70 is: 3,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.22 : 12,685.83 = 2,613.70 : x
  2. Step 2: Convert to fraction form
    8,457.22/12,685.83 = 2,613.70/x
  3. Step 3: Cross multiply
    8,457.22x = 12,685.83 × 2,613.70
  4. Step 4: Simplify right side
    8,457.22x = 33,156,953.87
  5. Step 5: Solve for x
    x = 33,156,953.87/8,457.22
  6. Step 6: Final answer
    x = 3,920.55

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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.