Home / 8,414.44-11,611.88-4,879.70

Finding the Fourth Proportional to 8,414.44, 11,611.88 and 4,879.70

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Solution

The fourth proportional to 8,414.44, 11,611.88 and 4,879.70 is: 6,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.44 : 11,611.88 = 4,879.70 : x
  2. Step 2: Convert to fraction form
    8,414.44/11,611.88 = 4,879.70/x
  3. Step 3: Cross multiply
    8,414.44x = 11,611.88 × 4,879.70
  4. Step 4: Simplify right side
    8,414.44x = 56,662,490.84
  5. Step 5: Solve for x
    x = 56,662,490.84/8,414.44
  6. Step 6: Final answer
    x = 6,733.96

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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.