Home / 7,785.86-10,744.31-4,249.13

Finding the Fourth Proportional to 7,785.86, 10,744.31 and 4,249.13

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Solution

The fourth proportional to 7,785.86, 10,744.31 and 4,249.13 is: 5,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.86 : 10,744.31 = 4,249.13 : x
  2. Step 2: Convert to fraction form
    7,785.86/10,744.31 = 4,249.13/x
  3. Step 3: Cross multiply
    7,785.86x = 10,744.31 × 4,249.13
  4. Step 4: Simplify right side
    7,785.86x = 45,653,926.85
  5. Step 5: Solve for x
    x = 45,653,926.85/7,785.86
  6. Step 6: Final answer
    x = 5,863.70

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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.