Home / 4,982.56-7,474.66-1,519

Finding the Fourth Proportional to 4,982.56, 7,474.66 and 1,519

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Solution

The fourth proportional to 4,982.56, 7,474.66 and 1,519 is: 2,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.56 : 7,474.66 = 1,519 : x
  2. Step 2: Convert to fraction form
    4,982.56/7,474.66 = 1,519/x
  3. Step 3: Cross multiply
    4,982.56x = 7,474.66 × 1,519
  4. Step 4: Simplify right side
    4,982.56x = 11,354,008.54
  5. Step 5: Solve for x
    x = 11,354,008.54/4,982.56
  6. Step 6: Final answer
    x = 2,278.75

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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.