Home / 7,169.42-10,749.94-4,249.78

Finding the Fourth Proportional to 7,169.42, 10,749.94 and 4,249.78

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Solution

The fourth proportional to 7,169.42, 10,749.94 and 4,249.78 is: 6,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.42 : 10,749.94 = 4,249.78 : x
  2. Step 2: Convert to fraction form
    7,169.42/10,749.94 = 4,249.78/x
  3. Step 3: Cross multiply
    7,169.42x = 10,749.94 × 4,249.78
  4. Step 4: Simplify right side
    7,169.42x = 45,684,880.01
  5. Step 5: Solve for x
    x = 45,684,880.01/7,169.42
  6. Step 6: Final answer
    x = 6,372.19

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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.