Home / 7,211.97-10,817.82-2,281.91

Finding the Fourth Proportional to 7,211.97, 10,817.82 and 2,281.91

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Solution

The fourth proportional to 7,211.97, 10,817.82 and 2,281.91 is: 3,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.97 : 10,817.82 = 2,281.91 : x
  2. Step 2: Convert to fraction form
    7,211.97/10,817.82 = 2,281.91/x
  3. Step 3: Cross multiply
    7,211.97x = 10,817.82 × 2,281.91
  4. Step 4: Simplify right side
    7,211.97x = 24,685,237.55
  5. Step 5: Solve for x
    x = 24,685,237.55/7,211.97
  6. Step 6: Final answer
    x = 3,422.81

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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.