Home / 5,229.29-7,216.42-2,839.26

Finding the Fourth Proportional to 5,229.29, 7,216.42 and 2,839.26

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Solution

The fourth proportional to 5,229.29, 7,216.42 and 2,839.26 is: 3,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.29 : 7,216.42 = 2,839.26 : x
  2. Step 2: Convert to fraction form
    5,229.29/7,216.42 = 2,839.26/x
  3. Step 3: Cross multiply
    5,229.29x = 7,216.42 × 2,839.26
  4. Step 4: Simplify right side
    5,229.29x = 20,489,292.40
  5. Step 5: Solve for x
    x = 20,489,292.40/5,229.29
  6. Step 6: Final answer
    x = 3,918.18

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1.5x scale

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.