Home / 7,540.46-11,311.71-2,608.77

Finding the Fourth Proportional to 7,540.46, 11,311.71 and 2,608.77

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Solution

The fourth proportional to 7,540.46, 11,311.71 and 2,608.77 is: 3,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.46 : 11,311.71 = 2,608.77 : x
  2. Step 2: Convert to fraction form
    7,540.46/11,311.71 = 2,608.77/x
  3. Step 3: Cross multiply
    7,540.46x = 11,311.71 × 2,608.77
  4. Step 4: Simplify right side
    7,540.46x = 29,509,649.70
  5. Step 5: Solve for x
    x = 29,509,649.70/7,540.46
  6. Step 6: Final answer
    x = 3,913.51

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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.