Home / 4,078.35-5,626.83-2,819.47

Finding the Fourth Proportional to 4,078.35, 5,626.83 and 2,819.47

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Solution

The fourth proportional to 4,078.35, 5,626.83 and 2,819.47 is: 3,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.35 : 5,626.83 = 2,819.47 : x
  2. Step 2: Convert to fraction form
    4,078.35/5,626.83 = 2,819.47/x
  3. Step 3: Cross multiply
    4,078.35x = 5,626.83 × 2,819.47
  4. Step 4: Simplify right side
    4,078.35x = 15,864,678.38
  5. Step 5: Solve for x
    x = 15,864,678.38/4,078.35
  6. Step 6: Final answer
    x = 3,889.97

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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.