Home / 7,738.56-11,589.39-4,223.30

Finding the Fourth Proportional to 7,738.56, 11,589.39 and 4,223.30

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Solution

The fourth proportional to 7,738.56, 11,589.39 and 4,223.30 is: 6,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.56 : 11,589.39 = 4,223.30 : x
  2. Step 2: Convert to fraction form
    7,738.56/11,589.39 = 4,223.30/x
  3. Step 3: Cross multiply
    7,738.56x = 11,589.39 × 4,223.30
  4. Step 4: Simplify right side
    7,738.56x = 48,945,500.27
  5. Step 5: Solve for x
    x = 48,945,500.27/7,738.56
  6. Step 6: Final answer
    x = 6,324.88

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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.