Home / 7,687.50-11,531.25-2,493.38

Finding the Fourth Proportional to 7,687.50, 11,531.25 and 2,493.38

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Solution

The fourth proportional to 7,687.50, 11,531.25 and 2,493.38 is: 3,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.50 : 11,531.25 = 2,493.38 : x
  2. Step 2: Convert to fraction form
    7,687.50/11,531.25 = 2,493.38/x
  3. Step 3: Cross multiply
    7,687.50x = 11,531.25 × 2,493.38
  4. Step 4: Simplify right side
    7,687.50x = 28,751,730.47
  5. Step 5: Solve for x
    x = 28,751,730.47/7,687.50
  6. Step 6: Final answer
    x = 3,740.06

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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.