Home / 5,234.20-7,223.44-2,876.56

Finding the Fourth Proportional to 5,234.20, 7,223.44 and 2,876.56

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Solution

The fourth proportional to 5,234.20, 7,223.44 and 2,876.56 is: 3,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.20 : 7,223.44 = 2,876.56 : x
  2. Step 2: Convert to fraction form
    5,234.20/7,223.44 = 2,876.56/x
  3. Step 3: Cross multiply
    5,234.20x = 7,223.44 × 2,876.56
  4. Step 4: Simplify right side
    5,234.20x = 20,778,658.57
  5. Step 5: Solve for x
    x = 20,778,658.57/5,234.20
  6. Step 6: Final answer
    x = 3,969.79

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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.