Home / 6,917.07-10,382.09-3,221.85

Finding the Fourth Proportional to 6,917.07, 10,382.09 and 3,221.85

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Solution

The fourth proportional to 6,917.07, 10,382.09 and 3,221.85 is: 4,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.07 : 10,382.09 = 3,221.85 : x
  2. Step 2: Convert to fraction form
    6,917.07/10,382.09 = 3,221.85/x
  3. Step 3: Cross multiply
    6,917.07x = 10,382.09 × 3,221.85
  4. Step 4: Simplify right side
    6,917.07x = 33,449,520.56
  5. Step 5: Solve for x
    x = 33,449,520.56/6,917.07
  6. Step 6: Final answer
    x = 4,835.79

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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.