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Finding the Fourth Proportional to 8,330.82, 12,496.95 and 2,174.82

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Solution

The fourth proportional to 8,330.82, 12,496.95 and 2,174.82 is: 3,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.82 : 12,496.95 = 2,174.82 : x
  2. Step 2: Convert to fraction form
    8,330.82/12,496.95 = 2,174.82/x
  3. Step 3: Cross multiply
    8,330.82x = 12,496.95 × 2,174.82
  4. Step 4: Simplify right side
    8,330.82x = 27,178,616.80
  5. Step 5: Solve for x
    x = 27,178,616.80/8,330.82
  6. Step 6: Final answer
    x = 3,262.42

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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.