Home / 7,786.49-10,745.36-4,249.71

Finding the Fourth Proportional to 7,786.49, 10,745.36 and 4,249.71

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Solution

The fourth proportional to 7,786.49, 10,745.36 and 4,249.71 is: 5,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.49 : 10,745.36 = 4,249.71 : x
  2. Step 2: Convert to fraction form
    7,786.49/10,745.36 = 4,249.71/x
  3. Step 3: Cross multiply
    7,786.49x = 10,745.36 × 4,249.71
  4. Step 4: Simplify right side
    7,786.49x = 45,664,610.12
  5. Step 5: Solve for x
    x = 45,664,610.12/7,786.49
  6. Step 6: Final answer
    x = 5,864.59

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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.