Home / 7,379.65-10,183.79-4,022.49

Finding the Fourth Proportional to 7,379.65, 10,183.79 and 4,022.49

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Solution

The fourth proportional to 7,379.65, 10,183.79 and 4,022.49 is: 5,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.65 : 10,183.79 = 4,022.49 : x
  2. Step 2: Convert to fraction form
    7,379.65/10,183.79 = 4,022.49/x
  3. Step 3: Cross multiply
    7,379.65x = 10,183.79 × 4,022.49
  4. Step 4: Simplify right side
    7,379.65x = 40,964,241.68
  5. Step 5: Solve for x
    x = 40,964,241.68/7,379.65
  6. Step 6: Final answer
    x = 5,550.97

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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.