Home / 4,399.20-6,069.60-2,721.84

Finding the Fourth Proportional to 4,399.20, 6,069.60 and 2,721.84

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Solution

The fourth proportional to 4,399.20, 6,069.60 and 2,721.84 is: 3,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.20 : 6,069.60 = 2,721.84 : x
  2. Step 2: Convert to fraction form
    4,399.20/6,069.60 = 2,721.84/x
  3. Step 3: Cross multiply
    4,399.20x = 6,069.60 × 2,721.84
  4. Step 4: Simplify right side
    4,399.20x = 16,520,480.06
  5. Step 5: Solve for x
    x = 16,520,480.06/4,399.20
  6. Step 6: Final answer
    x = 3,755.34

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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.