Home / 4,480.55-6,722.18-2,290.81

Finding the Fourth Proportional to 4,480.55, 6,722.18 and 2,290.81

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Solution

The fourth proportional to 4,480.55, 6,722.18 and 2,290.81 is: 3,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.55 : 6,722.18 = 2,290.81 : x
  2. Step 2: Convert to fraction form
    4,480.55/6,722.18 = 2,290.81/x
  3. Step 3: Cross multiply
    4,480.55x = 6,722.18 × 2,290.81
  4. Step 4: Simplify right side
    4,480.55x = 15,399,251.30
  5. Step 5: Solve for x
    x = 15,399,251.30/4,480.55
  6. Step 6: Final answer
    x = 3,436.91

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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.