Home / 8,156.44-12,230.90-2,608.54

Finding the Fourth Proportional to 8,156.44, 12,230.90 and 2,608.54

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Solution

The fourth proportional to 8,156.44, 12,230.90 and 2,608.54 is: 3,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.44 : 12,230.90 = 2,608.54 : x
  2. Step 2: Convert to fraction form
    8,156.44/12,230.90 = 2,608.54/x
  3. Step 3: Cross multiply
    8,156.44x = 12,230.90 × 2,608.54
  4. Step 4: Simplify right side
    8,156.44x = 31,904,791.89
  5. Step 5: Solve for x
    x = 31,904,791.89/8,156.44
  6. Step 6: Final answer
    x = 3,911.61

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1.5x scale

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.