Home / 6,920.80-10,375.02-3,022.12

Finding the Fourth Proportional to 6,920.80, 10,375.02 and 3,022.12

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Solution

The fourth proportional to 6,920.80, 10,375.02 and 3,022.12 is: 4,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.80 : 10,375.02 = 3,022.12 : x
  2. Step 2: Convert to fraction form
    6,920.80/10,375.02 = 3,022.12/x
  3. Step 3: Cross multiply
    6,920.80x = 10,375.02 × 3,022.12
  4. Step 4: Simplify right side
    6,920.80x = 31,354,555.44
  5. Step 5: Solve for x
    x = 31,354,555.44/6,920.80
  6. Step 6: Final answer
    x = 4,530.48

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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.