Home / 5,734.05-7,912.96-3,181.79

Finding the Fourth Proportional to 5,734.05, 7,912.96 and 3,181.79

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Solution

The fourth proportional to 5,734.05, 7,912.96 and 3,181.79 is: 4,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,734.05 : 7,912.96 = 3,181.79 : x
  2. Step 2: Convert to fraction form
    5,734.05/7,912.96 = 3,181.79/x
  3. Step 3: Cross multiply
    5,734.05x = 7,912.96 × 3,181.79
  4. Step 4: Simplify right side
    5,734.05x = 25,177,337.43
  5. Step 5: Solve for x
    x = 25,177,337.43/5,734.05
  6. Step 6: Final answer
    x = 4,390.85

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1.5x scale

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.