Home / 7,472.05-11,205.84-2,540.57

Finding the Fourth Proportional to 7,472.05, 11,205.84 and 2,540.57

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Solution

The fourth proportional to 7,472.05, 11,205.84 and 2,540.57 is: 3,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.05 : 11,205.84 = 2,540.57 : x
  2. Step 2: Convert to fraction form
    7,472.05/11,205.84 = 2,540.57/x
  3. Step 3: Cross multiply
    7,472.05x = 11,205.84 × 2,540.57
  4. Step 4: Simplify right side
    7,472.05x = 28,469,220.93
  5. Step 5: Solve for x
    x = 28,469,220.93/7,472.05
  6. Step 6: Final answer
    x = 3,810.10

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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.