Home / 6,964.97-9,611.81-3,821.16

Finding the Fourth Proportional to 6,964.97, 9,611.81 and 3,821.16

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Solution

The fourth proportional to 6,964.97, 9,611.81 and 3,821.16 is: 5,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.97 : 9,611.81 = 3,821.16 : x
  2. Step 2: Convert to fraction form
    6,964.97/9,611.81 = 3,821.16/x
  3. Step 3: Cross multiply
    6,964.97x = 9,611.81 × 3,821.16
  4. Step 4: Simplify right side
    6,964.97x = 36,728,244.79
  5. Step 5: Solve for x
    x = 36,728,244.79/6,964.97
  6. Step 6: Final answer
    x = 5,273.28

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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.