Home / 5,410.28-8,110.52-2,122.49

Finding the Fourth Proportional to 5,410.28, 8,110.52 and 2,122.49

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Solution

The fourth proportional to 5,410.28, 8,110.52 and 2,122.49 is: 3,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.28 : 8,110.52 = 2,122.49 : x
  2. Step 2: Convert to fraction form
    5,410.28/8,110.52 = 2,122.49/x
  3. Step 3: Cross multiply
    5,410.28x = 8,110.52 × 2,122.49
  4. Step 4: Simplify right side
    5,410.28x = 17,214,446.43
  5. Step 5: Solve for x
    x = 17,214,446.43/5,410.28
  6. Step 6: Final answer
    x = 3,181.81

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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.