Home / 5,672.50-8,508.75-2,212.18

Finding the Fourth Proportional to 5,672.50, 8,508.75 and 2,212.18

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Solution

The fourth proportional to 5,672.50, 8,508.75 and 2,212.18 is: 3,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.50 : 8,508.75 = 2,212.18 : x
  2. Step 2: Convert to fraction form
    5,672.50/8,508.75 = 2,212.18/x
  3. Step 3: Cross multiply
    5,672.50x = 8,508.75 × 2,212.18
  4. Step 4: Simplify right side
    5,672.50x = 18,822,886.58
  5. Step 5: Solve for x
    x = 18,822,886.58/5,672.50
  6. Step 6: Final answer
    x = 3,318.27

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Half scale
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Double scale
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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.