Home / 5,229.36-7,845.84-3,279.28

Finding the Fourth Proportional to 5,229.36, 7,845.84 and 3,279.28

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Solution

The fourth proportional to 5,229.36, 7,845.84 and 3,279.28 is: 4,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.36 : 7,845.84 = 3,279.28 : x
  2. Step 2: Convert to fraction form
    5,229.36/7,845.84 = 3,279.28/x
  3. Step 3: Cross multiply
    5,229.36x = 7,845.84 × 3,279.28
  4. Step 4: Simplify right side
    5,229.36x = 25,728,706.20
  5. Step 5: Solve for x
    x = 25,728,706.20/5,229.36
  6. Step 6: Final answer
    x = 4,920.05

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1.5x scale

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.