Home / 5,819.78-8,031.17-3,167.25

Finding the Fourth Proportional to 5,819.78, 8,031.17 and 3,167.25

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Solution

The fourth proportional to 5,819.78, 8,031.17 and 3,167.25 is: 4,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.78 : 8,031.17 = 3,167.25 : x
  2. Step 2: Convert to fraction form
    5,819.78/8,031.17 = 3,167.25/x
  3. Step 3: Cross multiply
    5,819.78x = 8,031.17 × 3,167.25
  4. Step 4: Simplify right side
    5,819.78x = 25,436,707.35
  5. Step 5: Solve for x
    x = 25,436,707.35/5,819.78
  6. Step 6: Final answer
    x = 4,370.74

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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.