Home / 6,689.44-9,231.42-3,705.24

Finding the Fourth Proportional to 6,689.44, 9,231.42 and 3,705.24

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Solution

The fourth proportional to 6,689.44, 9,231.42 and 3,705.24 is: 5,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.44 : 9,231.42 = 3,705.24 : x
  2. Step 2: Convert to fraction form
    6,689.44/9,231.42 = 3,705.24/x
  3. Step 3: Cross multiply
    6,689.44x = 9,231.42 × 3,705.24
  4. Step 4: Simplify right side
    6,689.44x = 34,204,654.31
  5. Step 5: Solve for x
    x = 34,204,654.31/6,689.44
  6. Step 6: Final answer
    x = 5,113.23

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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.