Home / 7,249.92-10,004.16-4,105.56

Finding the Fourth Proportional to 7,249.92, 10,004.16 and 4,105.56

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Solution

The fourth proportional to 7,249.92, 10,004.16 and 4,105.56 is: 5,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.92 : 10,004.16 = 4,105.56 : x
  2. Step 2: Convert to fraction form
    7,249.92/10,004.16 = 4,105.56/x
  3. Step 3: Cross multiply
    7,249.92x = 10,004.16 × 4,105.56
  4. Step 4: Simplify right side
    7,249.92x = 41,072,679.13
  5. Step 5: Solve for x
    x = 41,072,679.13/7,249.92
  6. Step 6: Final answer
    x = 5,665.26

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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.