Home / 8,249.24-12,362.32-3,855.80

Finding the Fourth Proportional to 8,249.24, 12,362.32 and 3,855.80

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Solution

The fourth proportional to 8,249.24, 12,362.32 and 3,855.80 is: 5,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.24 : 12,362.32 = 3,855.80 : x
  2. Step 2: Convert to fraction form
    8,249.24/12,362.32 = 3,855.80/x
  3. Step 3: Cross multiply
    8,249.24x = 12,362.32 × 3,855.80
  4. Step 4: Simplify right side
    8,249.24x = 47,666,633.46
  5. Step 5: Solve for x
    x = 47,666,633.46/8,249.24
  6. Step 6: Final answer
    x = 5,778.31

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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.