Home / 4,820.87-7,231.31-2,481.18

Finding the Fourth Proportional to 4,820.87, 7,231.31 and 2,481.18

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Solution

The fourth proportional to 4,820.87, 7,231.31 and 2,481.18 is: 3,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.87 : 7,231.31 = 2,481.18 : x
  2. Step 2: Convert to fraction form
    4,820.87/7,231.31 = 2,481.18/x
  3. Step 3: Cross multiply
    4,820.87x = 7,231.31 × 2,481.18
  4. Step 4: Simplify right side
    4,820.87x = 17,942,181.75
  5. Step 5: Solve for x
    x = 17,942,181.75/4,820.87
  6. Step 6: Final answer
    x = 3,721.77

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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.