Home / 5,627.05-7,760.89-5,249.79

Finding the Fourth Proportional to 5,627.05, 7,760.89 and 5,249.79

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Solution

The fourth proportional to 5,627.05, 7,760.89 and 5,249.79 is: 7,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.05 : 7,760.89 = 5,249.79 : x
  2. Step 2: Convert to fraction form
    5,627.05/7,760.89 = 5,249.79/x
  3. Step 3: Cross multiply
    5,627.05x = 7,760.89 × 5,249.79
  4. Step 4: Simplify right side
    5,627.05x = 40,743,049.28
  5. Step 5: Solve for x
    x = 40,743,049.28/5,627.05
  6. Step 6: Final answer
    x = 7,240.57

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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.