Home / 5,819.86-8,031.59-3,167.11

Finding the Fourth Proportional to 5,819.86, 8,031.59 and 3,167.11

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Solution

The fourth proportional to 5,819.86, 8,031.59 and 3,167.11 is: 4,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.86 : 8,031.59 = 3,167.11 : x
  2. Step 2: Convert to fraction form
    5,819.86/8,031.59 = 3,167.11/x
  3. Step 3: Cross multiply
    5,819.86x = 8,031.59 × 3,167.11
  4. Step 4: Simplify right side
    5,819.86x = 25,436,929.00
  5. Step 5: Solve for x
    x = 25,436,929.00/5,819.86
  6. Step 6: Final answer
    x = 4,370.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.