Home / 8,457.27-12,685.97-2,217.23

Finding the Fourth Proportional to 8,457.27, 12,685.97 and 2,217.23

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Solution

The fourth proportional to 8,457.27, 12,685.97 and 2,217.23 is: 3,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.27 : 12,685.97 = 2,217.23 : x
  2. Step 2: Convert to fraction form
    8,457.27/12,685.97 = 2,217.23/x
  3. Step 3: Cross multiply
    8,457.27x = 12,685.97 × 2,217.23
  4. Step 4: Simplify right side
    8,457.27x = 28,127,715.96
  5. Step 5: Solve for x
    x = 28,127,715.96/8,457.27
  6. Step 6: Final answer
    x = 3,325.86

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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.