Home / 7,541.31-11,311.97-6,919.23

Finding the Fourth Proportional to 7,541.31, 11,311.97 and 6,919.23

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Solution

The fourth proportional to 7,541.31, 11,311.97 and 6,919.23 is: 10,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.31 : 11,311.97 = 6,919.23 : x
  2. Step 2: Convert to fraction form
    7,541.31/11,311.97 = 6,919.23/x
  3. Step 3: Cross multiply
    7,541.31x = 11,311.97 × 6,919.23
  4. Step 4: Simplify right side
    7,541.31x = 78,270,087.59
  5. Step 5: Solve for x
    x = 78,270,087.59/7,541.31
  6. Step 6: Final answer
    x = 10,378.85

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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.