Home / 4,818.45-7,227.69-1,486.66

Finding the Fourth Proportional to 4,818.45, 7,227.69 and 1,486.66

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Solution

The fourth proportional to 4,818.45, 7,227.69 and 1,486.66 is: 2,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.45 : 7,227.69 = 1,486.66 : x
  2. Step 2: Convert to fraction form
    4,818.45/7,227.69 = 1,486.66/x
  3. Step 3: Cross multiply
    4,818.45x = 7,227.69 × 1,486.66
  4. Step 4: Simplify right side
    4,818.45x = 10,745,117.62
  5. Step 5: Solve for x
    x = 10,745,117.62/4,818.45
  6. Step 6: Final answer
    x = 2,229.99

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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.