Home / 4,480.40-6,722.87-3,391.49

Finding the Fourth Proportional to 4,480.40, 6,722.87 and 3,391.49

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Solution

The fourth proportional to 4,480.40, 6,722.87 and 3,391.49 is: 5,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.40 : 6,722.87 = 3,391.49 : x
  2. Step 2: Convert to fraction form
    4,480.40/6,722.87 = 3,391.49/x
  3. Step 3: Cross multiply
    4,480.40x = 6,722.87 × 3,391.49
  4. Step 4: Simplify right side
    4,480.40x = 22,800,546.23
  5. Step 5: Solve for x
    x = 22,800,546.23/4,480.40
  6. Step 6: Final answer
    x = 5,088.95

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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.