Home / 4,817.76-7,227.12-2,221.44

Finding the Fourth Proportional to 4,817.76, 7,227.12 and 2,221.44

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Solution

The fourth proportional to 4,817.76, 7,227.12 and 2,221.44 is: 3,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.76 : 7,227.12 = 2,221.44 : x
  2. Step 2: Convert to fraction form
    4,817.76/7,227.12 = 2,221.44/x
  3. Step 3: Cross multiply
    4,817.76x = 7,227.12 × 2,221.44
  4. Step 4: Simplify right side
    4,817.76x = 16,054,613.45
  5. Step 5: Solve for x
    x = 16,054,613.45/4,817.76
  6. Step 6: Final answer
    x = 3,332.38

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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.