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Finding the Fourth Proportional to 8,195, 11,310.07 and 4,658.74

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Solution

The fourth proportional to 8,195, 11,310.07 and 4,658.74 is: 6,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195 : 11,310.07 = 4,658.74 : x
  2. Step 2: Convert to fraction form
    8,195/11,310.07 = 4,658.74/x
  3. Step 3: Cross multiply
    8,195x = 11,310.07 × 4,658.74
  4. Step 4: Simplify right side
    8,195x = 52,690,652.22
  5. Step 5: Solve for x
    x = 52,690,652.22/8,195
  6. Step 6: Final answer
    x = 6,429.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.