Home / 9,211.91-13,817.85-2,286.41

Finding the Fourth Proportional to 9,211.91, 13,817.85 and 2,286.41

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Solution

The fourth proportional to 9,211.91, 13,817.85 and 2,286.41 is: 3,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.91 : 13,817.85 = 2,286.41 : x
  2. Step 2: Convert to fraction form
    9,211.91/13,817.85 = 2,286.41/x
  3. Step 3: Cross multiply
    9,211.91x = 13,817.85 × 2,286.41
  4. Step 4: Simplify right side
    9,211.91x = 31,593,270.42
  5. Step 5: Solve for x
    x = 31,593,270.42/9,211.91
  6. Step 6: Final answer
    x = 3,429.61

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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.