Home / 5,414.37-8,122.17-2,127.03

Finding the Fourth Proportional to 5,414.37, 8,122.17 and 2,127.03

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Solution

The fourth proportional to 5,414.37, 8,122.17 and 2,127.03 is: 3,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.37 : 8,122.17 = 2,127.03 : x
  2. Step 2: Convert to fraction form
    5,414.37/8,122.17 = 2,127.03/x
  3. Step 3: Cross multiply
    5,414.37x = 8,122.17 × 2,127.03
  4. Step 4: Simplify right side
    5,414.37x = 17,276,099.26
  5. Step 5: Solve for x
    x = 17,276,099.26/5,414.37
  6. Step 6: Final answer
    x = 3,190.79

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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.