Home / 5,414.22-8,122.23-1,903.23

Finding the Fourth Proportional to 5,414.22, 8,122.23 and 1,903.23

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Solution

The fourth proportional to 5,414.22, 8,122.23 and 1,903.23 is: 2,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.22 : 8,122.23 = 1,903.23 : x
  2. Step 2: Convert to fraction form
    5,414.22/8,122.23 = 1,903.23/x
  3. Step 3: Cross multiply
    5,414.22x = 8,122.23 × 1,903.23
  4. Step 4: Simplify right side
    5,414.22x = 15,458,471.80
  5. Step 5: Solve for x
    x = 15,458,471.80/5,414.22
  6. Step 6: Final answer
    x = 2,855.16

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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.