Home / 4,486.20-6,721.20-4,194.60

Finding the Fourth Proportional to 4,486.20, 6,721.20 and 4,194.60

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Solution

The fourth proportional to 4,486.20, 6,721.20 and 4,194.60 is: 6,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.20 : 6,721.20 = 4,194.60 : x
  2. Step 2: Convert to fraction form
    4,486.20/6,721.20 = 4,194.60/x
  3. Step 3: Cross multiply
    4,486.20x = 6,721.20 × 4,194.60
  4. Step 4: Simplify right side
    4,486.20x = 28,192,745.52
  5. Step 5: Solve for x
    x = 28,192,745.52/4,486.20
  6. Step 6: Final answer
    x = 6,284.33

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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.