Home / 6,672.11-9,206.55-3,838.39

Finding the Fourth Proportional to 6,672.11, 9,206.55 and 3,838.39

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Solution

The fourth proportional to 6,672.11, 9,206.55 and 3,838.39 is: 5,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.11 : 9,206.55 = 3,838.39 : x
  2. Step 2: Convert to fraction form
    6,672.11/9,206.55 = 3,838.39/x
  3. Step 3: Cross multiply
    6,672.11x = 9,206.55 × 3,838.39
  4. Step 4: Simplify right side
    6,672.11x = 35,338,306.44
  5. Step 5: Solve for x
    x = 35,338,306.44/6,672.11
  6. Step 6: Final answer
    x = 5,296.43

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Half scale
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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.