Home / 5,486.22-8,229.69-1,976.94

Finding the Fourth Proportional to 5,486.22, 8,229.69 and 1,976.94

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Solution

The fourth proportional to 5,486.22, 8,229.69 and 1,976.94 is: 2,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.22 : 8,229.69 = 1,976.94 : x
  2. Step 2: Convert to fraction form
    5,486.22/8,229.69 = 1,976.94/x
  3. Step 3: Cross multiply
    5,486.22x = 8,229.69 × 1,976.94
  4. Step 4: Simplify right side
    5,486.22x = 16,269,603.35
  5. Step 5: Solve for x
    x = 16,269,603.35/5,486.22
  6. Step 6: Final answer
    x = 2,965.54

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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.