Home / 7,946.82-11,922.19-5,611.40

Finding the Fourth Proportional to 7,946.82, 11,922.19 and 5,611.40

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Solution

The fourth proportional to 7,946.82, 11,922.19 and 5,611.40 is: 8,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.82 : 11,922.19 = 5,611.40 : x
  2. Step 2: Convert to fraction form
    7,946.82/11,922.19 = 5,611.40/x
  3. Step 3: Cross multiply
    7,946.82x = 11,922.19 × 5,611.40
  4. Step 4: Simplify right side
    7,946.82x = 66,900,176.97
  5. Step 5: Solve for x
    x = 66,900,176.97/7,946.82
  6. Step 6: Final answer
    x = 8,418.48

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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.