Home / 6,633.33-9,161.11-4,121.39

Finding the Fourth Proportional to 6,633.33, 9,161.11 and 4,121.39

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Solution

The fourth proportional to 6,633.33, 9,161.11 and 4,121.39 is: 5,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.33 : 9,161.11 = 4,121.39 : x
  2. Step 2: Convert to fraction form
    6,633.33/9,161.11 = 4,121.39/x
  3. Step 3: Cross multiply
    6,633.33x = 9,161.11 × 4,121.39
  4. Step 4: Simplify right side
    6,633.33x = 37,756,507.14
  5. Step 5: Solve for x
    x = 37,756,507.14/6,633.33
  6. Step 6: Final answer
    x = 5,691.94

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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.