Home / 6,142.33-9,215.30-1,982.26

Finding the Fourth Proportional to 6,142.33, 9,215.30 and 1,982.26

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Solution

The fourth proportional to 6,142.33, 9,215.30 and 1,982.26 is: 2,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.33 : 9,215.30 = 1,982.26 : x
  2. Step 2: Convert to fraction form
    6,142.33/9,215.30 = 1,982.26/x
  3. Step 3: Cross multiply
    6,142.33x = 9,215.30 × 1,982.26
  4. Step 4: Simplify right side
    6,142.33x = 18,267,120.58
  5. Step 5: Solve for x
    x = 18,267,120.58/6,142.33
  6. Step 6: Final answer
    x = 2,973.97

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Similar ratio
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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.