Home / 8,951.07-13,418.91-3,106.92

Finding the Fourth Proportional to 8,951.07, 13,418.91 and 3,106.92

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Solution

The fourth proportional to 8,951.07, 13,418.91 and 3,106.92 is: 4,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.07 : 13,418.91 = 3,106.92 : x
  2. Step 2: Convert to fraction form
    8,951.07/13,418.91 = 3,106.92/x
  3. Step 3: Cross multiply
    8,951.07x = 13,418.91 × 3,106.92
  4. Step 4: Simplify right side
    8,951.07x = 41,691,479.86
  5. Step 5: Solve for x
    x = 41,691,479.86/8,951.07
  6. Step 6: Final answer
    x = 4,657.71

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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.