Home / 8,102.17-12,153.26-4,198.38

Finding the Fourth Proportional to 8,102.17, 12,153.26 and 4,198.38

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Solution

The fourth proportional to 8,102.17, 12,153.26 and 4,198.38 is: 6,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.17 : 12,153.26 = 4,198.38 : x
  2. Step 2: Convert to fraction form
    8,102.17/12,153.26 = 4,198.38/x
  3. Step 3: Cross multiply
    8,102.17x = 12,153.26 × 4,198.38
  4. Step 4: Simplify right side
    8,102.17x = 51,024,003.72
  5. Step 5: Solve for x
    x = 51,024,003.72/8,102.17
  6. Step 6: Final answer
    x = 6,297.57

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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.