Home / 6,968.80-10,453.62-2,808.28

Finding the Fourth Proportional to 6,968.80, 10,453.62 and 2,808.28

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Solution

The fourth proportional to 6,968.80, 10,453.62 and 2,808.28 is: 4,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.80 : 10,453.62 = 2,808.28 : x
  2. Step 2: Convert to fraction form
    6,968.80/10,453.62 = 2,808.28/x
  3. Step 3: Cross multiply
    6,968.80x = 10,453.62 × 2,808.28
  4. Step 4: Simplify right side
    6,968.80x = 29,356,691.97
  5. Step 5: Solve for x
    x = 29,356,691.97/6,968.80
  6. Step 6: Final answer
    x = 4,212.59

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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.