Home / 4,217.09-5,806.70-3,821.54

Finding the Fourth Proportional to 4,217.09, 5,806.70 and 3,821.54

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Solution

The fourth proportional to 4,217.09, 5,806.70 and 3,821.54 is: 5,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.09 : 5,806.70 = 3,821.54 : x
  2. Step 2: Convert to fraction form
    4,217.09/5,806.70 = 3,821.54/x
  3. Step 3: Cross multiply
    4,217.09x = 5,806.70 × 3,821.54
  4. Step 4: Simplify right side
    4,217.09x = 22,190,536.32
  5. Step 5: Solve for x
    x = 22,190,536.32/4,217.09
  6. Step 6: Final answer
    x = 5,262.05

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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.