Home / 7,173.23-10,761.96-3,427.80

Finding the Fourth Proportional to 7,173.23, 10,761.96 and 3,427.80

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Solution

The fourth proportional to 7,173.23, 10,761.96 and 3,427.80 is: 5,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.23 : 10,761.96 = 3,427.80 : x
  2. Step 2: Convert to fraction form
    7,173.23/10,761.96 = 3,427.80/x
  3. Step 3: Cross multiply
    7,173.23x = 10,761.96 × 3,427.80
  4. Step 4: Simplify right side
    7,173.23x = 36,889,879.52
  5. Step 5: Solve for x
    x = 36,889,879.52/7,173.23
  6. Step 6: Final answer
    x = 5,142.72

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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.