Home / 6,686.89-9,227.82-3,661.94

Finding the Fourth Proportional to 6,686.89, 9,227.82 and 3,661.94

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Solution

The fourth proportional to 6,686.89, 9,227.82 and 3,661.94 is: 5,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.89 : 9,227.82 = 3,661.94 : x
  2. Step 2: Convert to fraction form
    6,686.89/9,227.82 = 3,661.94/x
  3. Step 3: Cross multiply
    6,686.89x = 9,227.82 × 3,661.94
  4. Step 4: Simplify right side
    6,686.89x = 33,791,759.97
  5. Step 5: Solve for x
    x = 33,791,759.97/6,686.89
  6. Step 6: Final answer
    x = 5,053.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.