Home / 6,811.75-10,220.06-2,194.75

Finding the Fourth Proportional to 6,811.75, 10,220.06 and 2,194.75

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Solution

The fourth proportional to 6,811.75, 10,220.06 and 2,194.75 is: 3,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.75 : 10,220.06 = 2,194.75 : x
  2. Step 2: Convert to fraction form
    6,811.75/10,220.06 = 2,194.75/x
  3. Step 3: Cross multiply
    6,811.75x = 10,220.06 × 2,194.75
  4. Step 4: Simplify right side
    6,811.75x = 22,430,476.69
  5. Step 5: Solve for x
    x = 22,430,476.69/6,811.75
  6. Step 6: Final answer
    x = 3,292.91

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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.