Home / 5,493.73-7,581.30-2,975.78

Finding the Fourth Proportional to 5,493.73, 7,581.30 and 2,975.78

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Solution

The fourth proportional to 5,493.73, 7,581.30 and 2,975.78 is: 4,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.73 : 7,581.30 = 2,975.78 : x
  2. Step 2: Convert to fraction form
    5,493.73/7,581.30 = 2,975.78/x
  3. Step 3: Cross multiply
    5,493.73x = 7,581.30 × 2,975.78
  4. Step 4: Simplify right side
    5,493.73x = 22,560,280.91
  5. Step 5: Solve for x
    x = 22,560,280.91/5,493.73
  6. Step 6: Final answer
    x = 4,106.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.