Home / 7,249.16-10,003.28-4,105.56

Finding the Fourth Proportional to 7,249.16, 10,003.28 and 4,105.56

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Solution

The fourth proportional to 7,249.16, 10,003.28 and 4,105.56 is: 5,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.16 : 10,003.28 = 4,105.56 : x
  2. Step 2: Convert to fraction form
    7,249.16/10,003.28 = 4,105.56/x
  3. Step 3: Cross multiply
    7,249.16x = 10,003.28 × 4,105.56
  4. Step 4: Simplify right side
    7,249.16x = 41,069,066.24
  5. Step 5: Solve for x
    x = 41,069,066.24/7,249.16
  6. Step 6: Final answer
    x = 5,665.36

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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.