Home / 5,211.45-7,817.97-2,250.72

Finding the Fourth Proportional to 5,211.45, 7,817.97 and 2,250.72

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Solution

The fourth proportional to 5,211.45, 7,817.97 and 2,250.72 is: 3,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.45 : 7,817.97 = 2,250.72 : x
  2. Step 2: Convert to fraction form
    5,211.45/7,817.97 = 2,250.72/x
  3. Step 3: Cross multiply
    5,211.45x = 7,817.97 × 2,250.72
  4. Step 4: Simplify right side
    5,211.45x = 17,596,061.44
  5. Step 5: Solve for x
    x = 17,596,061.44/5,211.45
  6. Step 6: Final answer
    x = 3,376.42

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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.