Home / 7,785.75-10,744.47-4,249.05

Finding the Fourth Proportional to 7,785.75, 10,744.47 and 4,249.05

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Solution

The fourth proportional to 7,785.75, 10,744.47 and 4,249.05 is: 5,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.75 : 10,744.47 = 4,249.05 : x
  2. Step 2: Convert to fraction form
    7,785.75/10,744.47 = 4,249.05/x
  3. Step 3: Cross multiply
    7,785.75x = 10,744.47 × 4,249.05
  4. Step 4: Simplify right side
    7,785.75x = 45,653,790.25
  5. Step 5: Solve for x
    x = 45,653,790.25/7,785.75
  6. Step 6: Final answer
    x = 5,863.76

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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.