Home / 7,859.82-11,790.50-2,863.55

Finding the Fourth Proportional to 7,859.82, 11,790.50 and 2,863.55

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Solution

The fourth proportional to 7,859.82, 11,790.50 and 2,863.55 is: 4,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.82 : 11,790.50 = 2,863.55 : x
  2. Step 2: Convert to fraction form
    7,859.82/11,790.50 = 2,863.55/x
  3. Step 3: Cross multiply
    7,859.82x = 11,790.50 × 2,863.55
  4. Step 4: Simplify right side
    7,859.82x = 33,762,722.91
  5. Step 5: Solve for x
    x = 33,762,722.91/7,859.82
  6. Step 6: Final answer
    x = 4,295.61

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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.