Home / 5,173.23-7,761.72-2,540.46

Finding the Fourth Proportional to 5,173.23, 7,761.72 and 2,540.46

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Solution

The fourth proportional to 5,173.23, 7,761.72 and 2,540.46 is: 3,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.23 : 7,761.72 = 2,540.46 : x
  2. Step 2: Convert to fraction form
    5,173.23/7,761.72 = 2,540.46/x
  3. Step 3: Cross multiply
    5,173.23x = 7,761.72 × 2,540.46
  4. Step 4: Simplify right side
    5,173.23x = 19,718,339.19
  5. Step 5: Solve for x
    x = 19,718,339.19/5,173.23
  6. Step 6: Final answer
    x = 3,811.61

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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.