Home / 4,191.07-6,286.59-1,269.61

Finding the Fourth Proportional to 4,191.07, 6,286.59 and 1,269.61

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Solution

The fourth proportional to 4,191.07, 6,286.59 and 1,269.61 is: 1,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.07 : 6,286.59 = 1,269.61 : x
  2. Step 2: Convert to fraction form
    4,191.07/6,286.59 = 1,269.61/x
  3. Step 3: Cross multiply
    4,191.07x = 6,286.59 × 1,269.61
  4. Step 4: Simplify right side
    4,191.07x = 7,981,517.53
  5. Step 5: Solve for x
    x = 7,981,517.53/4,191.07
  6. Step 6: Final answer
    x = 1,904.41

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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.