Home / 5,211.91-7,190.42-3,193.48

Finding the Fourth Proportional to 5,211.91, 7,190.42 and 3,193.48

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Solution

The fourth proportional to 5,211.91, 7,190.42 and 3,193.48 is: 4,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.91 : 7,190.42 = 3,193.48 : x
  2. Step 2: Convert to fraction form
    5,211.91/7,190.42 = 3,193.48/x
  3. Step 3: Cross multiply
    5,211.91x = 7,190.42 × 3,193.48
  4. Step 4: Simplify right side
    5,211.91x = 22,962,446.49
  5. Step 5: Solve for x
    x = 22,962,446.49/5,211.91
  6. Step 6: Final answer
    x = 4,405.76

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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.