Home / 5,428.75-8,137.44-2,508.97

Finding the Fourth Proportional to 5,428.75, 8,137.44 and 2,508.97

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Solution

The fourth proportional to 5,428.75, 8,137.44 and 2,508.97 is: 3,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.75 : 8,137.44 = 2,508.97 : x
  2. Step 2: Convert to fraction form
    5,428.75/8,137.44 = 2,508.97/x
  3. Step 3: Cross multiply
    5,428.75x = 8,137.44 × 2,508.97
  4. Step 4: Simplify right side
    5,428.75x = 20,416,592.84
  5. Step 5: Solve for x
    x = 20,416,592.84/5,428.75
  6. Step 6: Final answer
    x = 3,760.83

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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.