Home / 7,785.82-10,744.45-4,249.06

Finding the Fourth Proportional to 7,785.82, 10,744.45 and 4,249.06

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Solution

The fourth proportional to 7,785.82, 10,744.45 and 4,249.06 is: 5,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.82 : 10,744.45 = 4,249.06 : x
  2. Step 2: Convert to fraction form
    7,785.82/10,744.45 = 4,249.06/x
  3. Step 3: Cross multiply
    7,785.82x = 10,744.45 × 4,249.06
  4. Step 4: Simplify right side
    7,785.82x = 45,653,775.23
  5. Step 5: Solve for x
    x = 45,653,775.23/7,785.82
  6. Step 6: Final answer
    x = 5,863.71

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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.