Home / 4,220.22-5,821.47-2,540.46

Finding the Fourth Proportional to 4,220.22, 5,821.47 and 2,540.46

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Solution

The fourth proportional to 4,220.22, 5,821.47 and 2,540.46 is: 3,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.22 : 5,821.47 = 2,540.46 : x
  2. Step 2: Convert to fraction form
    4,220.22/5,821.47 = 2,540.46/x
  3. Step 3: Cross multiply
    4,220.22x = 5,821.47 × 2,540.46
  4. Step 4: Simplify right side
    4,220.22x = 14,789,211.68
  5. Step 5: Solve for x
    x = 14,789,211.68/4,220.22
  6. Step 6: Final answer
    x = 3,504.37

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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.