Home / 6,729.18-9,286.23-3,934.62

Finding the Fourth Proportional to 6,729.18, 9,286.23 and 3,934.62

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Solution

The fourth proportional to 6,729.18, 9,286.23 and 3,934.62 is: 5,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.18 : 9,286.23 = 3,934.62 : x
  2. Step 2: Convert to fraction form
    6,729.18/9,286.23 = 3,934.62/x
  3. Step 3: Cross multiply
    6,729.18x = 9,286.23 × 3,934.62
  4. Step 4: Simplify right side
    6,729.18x = 36,537,786.28
  5. Step 5: Solve for x
    x = 36,537,786.28/6,729.18
  6. Step 6: Final answer
    x = 5,429.75

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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.