Home / 6,982.19-9,635.59-3,838.38

Finding the Fourth Proportional to 6,982.19, 9,635.59 and 3,838.38

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Solution

The fourth proportional to 6,982.19, 9,635.59 and 3,838.38 is: 5,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.19 : 9,635.59 = 3,838.38 : x
  2. Step 2: Convert to fraction form
    6,982.19/9,635.59 = 3,838.38/x
  3. Step 3: Cross multiply
    6,982.19x = 9,635.59 × 3,838.38
  4. Step 4: Simplify right side
    6,982.19x = 36,985,055.94
  5. Step 5: Solve for x
    x = 36,985,055.94/6,982.19
  6. Step 6: Final answer
    x = 5,297.06

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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.