Home / 4,078.44-5,626.89-2,819.04

Finding the Fourth Proportional to 4,078.44, 5,626.89 and 2,819.04

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Solution

The fourth proportional to 4,078.44, 5,626.89 and 2,819.04 is: 3,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.44 : 5,626.89 = 2,819.04 : x
  2. Step 2: Convert to fraction form
    4,078.44/5,626.89 = 2,819.04/x
  3. Step 3: Cross multiply
    4,078.44x = 5,626.89 × 2,819.04
  4. Step 4: Simplify right side
    4,078.44x = 15,862,427.99
  5. Step 5: Solve for x
    x = 15,862,427.99/4,078.44
  6. Step 6: Final answer
    x = 3,889.34

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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.