Home / 4,213.97-5,811.77-3,164.21

Finding the Fourth Proportional to 4,213.97, 5,811.77 and 3,164.21

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Solution

The fourth proportional to 4,213.97, 5,811.77 and 3,164.21 is: 4,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.97 : 5,811.77 = 3,164.21 : x
  2. Step 2: Convert to fraction form
    4,213.97/5,811.77 = 3,164.21/x
  3. Step 3: Cross multiply
    4,213.97x = 5,811.77 × 3,164.21
  4. Step 4: Simplify right side
    4,213.97x = 18,389,639.60
  5. Step 5: Solve for x
    x = 18,389,639.60/4,213.97
  6. Step 6: Final answer
    x = 4,363.98

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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.