Home / 8,121.05-11,206.82-4,584.23

Finding the Fourth Proportional to 8,121.05, 11,206.82 and 4,584.23

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Solution

The fourth proportional to 8,121.05, 11,206.82 and 4,584.23 is: 6,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.05 : 11,206.82 = 4,584.23 : x
  2. Step 2: Convert to fraction form
    8,121.05/11,206.82 = 4,584.23/x
  3. Step 3: Cross multiply
    8,121.05x = 11,206.82 × 4,584.23
  4. Step 4: Simplify right side
    8,121.05x = 51,374,640.45
  5. Step 5: Solve for x
    x = 51,374,640.45/8,121.05
  6. Step 6: Final answer
    x = 6,326.11

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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.