Home / 4,919.68-7,376.88-1,456.48

Finding the Fourth Proportional to 4,919.68, 7,376.88 and 1,456.48

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Solution

The fourth proportional to 4,919.68, 7,376.88 and 1,456.48 is: 2,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.68 : 7,376.88 = 1,456.48 : x
  2. Step 2: Convert to fraction form
    4,919.68/7,376.88 = 1,456.48/x
  3. Step 3: Cross multiply
    4,919.68x = 7,376.88 × 1,456.48
  4. Step 4: Simplify right side
    4,919.68x = 10,744,278.18
  5. Step 5: Solve for x
    x = 10,744,278.18/4,919.68
  6. Step 6: Final answer
    x = 2,183.94

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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.