Home / 6,982.20-9,635.46-3,838.58

Finding the Fourth Proportional to 6,982.20, 9,635.46 and 3,838.58

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Solution

The fourth proportional to 6,982.20, 9,635.46 and 3,838.58 is: 5,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.20 : 9,635.46 = 3,838.58 : x
  2. Step 2: Convert to fraction form
    6,982.20/9,635.46 = 3,838.58/x
  3. Step 3: Cross multiply
    6,982.20x = 9,635.46 × 3,838.58
  4. Step 4: Simplify right side
    6,982.20x = 36,986,484.05
  5. Step 5: Solve for x
    x = 36,986,484.05/6,982.20
  6. Step 6: Final answer
    x = 5,297.25

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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.