Home / 8,572.22-12,858.62-2,949.83

Finding the Fourth Proportional to 8,572.22, 12,858.62 and 2,949.83

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Solution

The fourth proportional to 8,572.22, 12,858.62 and 2,949.83 is: 4,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.22 : 12,858.62 = 2,949.83 : x
  2. Step 2: Convert to fraction form
    8,572.22/12,858.62 = 2,949.83/x
  3. Step 3: Cross multiply
    8,572.22x = 12,858.62 × 2,949.83
  4. Step 4: Simplify right side
    8,572.22x = 37,930,760.43
  5. Step 5: Solve for x
    x = 37,930,760.43/8,572.22
  6. Step 6: Final answer
    x = 4,424.85

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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.