Home / 8,433.86-12,651.39-3,239.73

Finding the Fourth Proportional to 8,433.86, 12,651.39 and 3,239.73

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Solution

The fourth proportional to 8,433.86, 12,651.39 and 3,239.73 is: 4,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.86 : 12,651.39 = 3,239.73 : x
  2. Step 2: Convert to fraction form
    8,433.86/12,651.39 = 3,239.73/x
  3. Step 3: Cross multiply
    8,433.86x = 12,651.39 × 3,239.73
  4. Step 4: Simplify right side
    8,433.86x = 40,987,087.72
  5. Step 5: Solve for x
    x = 40,987,087.72/8,433.86
  6. Step 6: Final answer
    x = 4,859.83

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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.