Home / 7,786.74-10,745.60-4,249.92

Finding the Fourth Proportional to 7,786.74, 10,745.60 and 4,249.92

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Solution

The fourth proportional to 7,786.74, 10,745.60 and 4,249.92 is: 5,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.74 : 10,745.60 = 4,249.92 : x
  2. Step 2: Convert to fraction form
    7,786.74/10,745.60 = 4,249.92/x
  3. Step 3: Cross multiply
    7,786.74x = 10,745.60 × 4,249.92
  4. Step 4: Simplify right side
    7,786.74x = 45,667,940.35
  5. Step 5: Solve for x
    x = 45,667,940.35/7,786.74
  6. Step 6: Final answer
    x = 5,864.83

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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.