Home / 6,786.93-10,178.78-3,826.68

Finding the Fourth Proportional to 6,786.93, 10,178.78 and 3,826.68

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Solution

The fourth proportional to 6,786.93, 10,178.78 and 3,826.68 is: 5,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.93 : 10,178.78 = 3,826.68 : x
  2. Step 2: Convert to fraction form
    6,786.93/10,178.78 = 3,826.68/x
  3. Step 3: Cross multiply
    6,786.93x = 10,178.78 × 3,826.68
  4. Step 4: Simplify right side
    6,786.93x = 38,950,933.85
  5. Step 5: Solve for x
    x = 38,950,933.85/6,786.93
  6. Step 6: Final answer
    x = 5,739.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.