Home / 6,611.25-9,915.74-2,168.83

Finding the Fourth Proportional to 6,611.25, 9,915.74 and 2,168.83

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Solution

The fourth proportional to 6,611.25, 9,915.74 and 2,168.83 is: 3,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.25 : 9,915.74 = 2,168.83 : x
  2. Step 2: Convert to fraction form
    6,611.25/9,915.74 = 2,168.83/x
  3. Step 3: Cross multiply
    6,611.25x = 9,915.74 × 2,168.83
  4. Step 4: Simplify right side
    6,611.25x = 21,505,554.38
  5. Step 5: Solve for x
    x = 21,505,554.38/6,611.25
  6. Step 6: Final answer
    x = 3,252.87

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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.