Home / 7,084.44-10,629.96-3,186.72

Finding the Fourth Proportional to 7,084.44, 10,629.96 and 3,186.72

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Solution

The fourth proportional to 7,084.44, 10,629.96 and 3,186.72 is: 4,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.44 : 10,629.96 = 3,186.72 : x
  2. Step 2: Convert to fraction form
    7,084.44/10,629.96 = 3,186.72/x
  3. Step 3: Cross multiply
    7,084.44x = 10,629.96 × 3,186.72
  4. Step 4: Simplify right side
    7,084.44x = 33,874,706.13
  5. Step 5: Solve for x
    x = 33,874,706.13/7,084.44
  6. Step 6: Final answer
    x = 4,781.56

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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.