Home / 4,480.44-6,716.28-2,139.80

Finding the Fourth Proportional to 4,480.44, 6,716.28 and 2,139.80

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Solution

The fourth proportional to 4,480.44, 6,716.28 and 2,139.80 is: 3,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.44 : 6,716.28 = 2,139.80 : x
  2. Step 2: Convert to fraction form
    4,480.44/6,716.28 = 2,139.80/x
  3. Step 3: Cross multiply
    4,480.44x = 6,716.28 × 2,139.80
  4. Step 4: Simplify right side
    4,480.44x = 14,371,495.94
  5. Step 5: Solve for x
    x = 14,371,495.94/4,480.44
  6. Step 6: Final answer
    x = 3,207.61

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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.