Home / 8,235.26-11,364.39-4,878.09

Finding the Fourth Proportional to 8,235.26, 11,364.39 and 4,878.09

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Solution

The fourth proportional to 8,235.26, 11,364.39 and 4,878.09 is: 6,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.26 : 11,364.39 = 4,878.09 : x
  2. Step 2: Convert to fraction form
    8,235.26/11,364.39 = 4,878.09/x
  3. Step 3: Cross multiply
    8,235.26x = 11,364.39 × 4,878.09
  4. Step 4: Simplify right side
    8,235.26x = 55,436,517.22
  5. Step 5: Solve for x
    x = 55,436,517.22/8,235.26
  6. Step 6: Final answer
    x = 6,731.61

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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.