Home / 5,713.96-8,571.90-1,819.56

Finding the Fourth Proportional to 5,713.96, 8,571.90 and 1,819.56

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Solution

The fourth proportional to 5,713.96, 8,571.90 and 1,819.56 is: 2,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.96 : 8,571.90 = 1,819.56 : x
  2. Step 2: Convert to fraction form
    5,713.96/8,571.90 = 1,819.56/x
  3. Step 3: Cross multiply
    5,713.96x = 8,571.90 × 1,819.56
  4. Step 4: Simplify right side
    5,713.96x = 15,597,086.36
  5. Step 5: Solve for x
    x = 15,597,086.36/5,713.96
  6. Step 6: Final answer
    x = 2,729.65

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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.