Home / 7,480.20-11,220.30-3,096.48

Finding the Fourth Proportional to 7,480.20, 11,220.30 and 3,096.48

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Solution

The fourth proportional to 7,480.20, 11,220.30 and 3,096.48 is: 4,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.20 : 11,220.30 = 3,096.48 : x
  2. Step 2: Convert to fraction form
    7,480.20/11,220.30 = 3,096.48/x
  3. Step 3: Cross multiply
    7,480.20x = 11,220.30 × 3,096.48
  4. Step 4: Simplify right side
    7,480.20x = 34,743,434.54
  5. Step 5: Solve for x
    x = 34,743,434.54/7,480.20
  6. Step 6: Final answer
    x = 4,644.72

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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.