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Finding the Fourth Proportional to 8,195.88, 12,293.76 and 2,930.70

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Solution

The fourth proportional to 8,195.88, 12,293.76 and 2,930.70 is: 4,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.88 : 12,293.76 = 2,930.70 : x
  2. Step 2: Convert to fraction form
    8,195.88/12,293.76 = 2,930.70/x
  3. Step 3: Cross multiply
    8,195.88x = 12,293.76 × 2,930.70
  4. Step 4: Simplify right side
    8,195.88x = 36,029,322.43
  5. Step 5: Solve for x
    x = 36,029,322.43/8,195.88
  6. Step 6: Final answer
    x = 4,396.03

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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.