Home / 7,381.44-10,183.92-4,194.42

Finding the Fourth Proportional to 7,381.44, 10,183.92 and 4,194.42

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Solution

The fourth proportional to 7,381.44, 10,183.92 and 4,194.42 is: 5,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.44 : 10,183.92 = 4,194.42 : x
  2. Step 2: Convert to fraction form
    7,381.44/10,183.92 = 4,194.42/x
  3. Step 3: Cross multiply
    7,381.44x = 10,183.92 × 4,194.42
  4. Step 4: Simplify right side
    7,381.44x = 42,715,637.73
  5. Step 5: Solve for x
    x = 42,715,637.73/7,381.44
  6. Step 6: Final answer
    x = 5,786.90

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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.