Home / 7,921.44-11,882.30-2,993.40

Finding the Fourth Proportional to 7,921.44, 11,882.30 and 2,993.40

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Solution

The fourth proportional to 7,921.44, 11,882.30 and 2,993.40 is: 4,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.44 : 11,882.30 = 2,993.40 : x
  2. Step 2: Convert to fraction form
    7,921.44/11,882.30 = 2,993.40/x
  3. Step 3: Cross multiply
    7,921.44x = 11,882.30 × 2,993.40
  4. Step 4: Simplify right side
    7,921.44x = 35,568,461.85
  5. Step 5: Solve for x
    x = 35,568,461.85/7,921.44
  6. Step 6: Final answer
    x = 4,490.15

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Similar ratio
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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.