Home / 6,338.20-9,506.70-2,177.80

Finding the Fourth Proportional to 6,338.20, 9,506.70 and 2,177.80

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Solution

The fourth proportional to 6,338.20, 9,506.70 and 2,177.80 is: 3,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.20 : 9,506.70 = 2,177.80 : x
  2. Step 2: Convert to fraction form
    6,338.20/9,506.70 = 2,177.80/x
  3. Step 3: Cross multiply
    6,338.20x = 9,506.70 × 2,177.80
  4. Step 4: Simplify right side
    6,338.20x = 20,703,691.26
  5. Step 5: Solve for x
    x = 20,703,691.26/6,338.20
  6. Step 6: Final answer
    x = 3,266.49

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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.