Home / 5,611.50-7,743.81-3,093.71

Finding the Fourth Proportional to 5,611.50, 7,743.81 and 3,093.71

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Solution

The fourth proportional to 5,611.50, 7,743.81 and 3,093.71 is: 4,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.50 : 7,743.81 = 3,093.71 : x
  2. Step 2: Convert to fraction form
    5,611.50/7,743.81 = 3,093.71/x
  3. Step 3: Cross multiply
    5,611.50x = 7,743.81 × 3,093.71
  4. Step 4: Simplify right side
    5,611.50x = 23,957,102.44
  5. Step 5: Solve for x
    x = 23,957,102.44/5,611.50
  6. Step 6: Final answer
    x = 4,269.29

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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.