Home / 7,487.82-11,234.96-4,021.02

Finding the Fourth Proportional to 7,487.82, 11,234.96 and 4,021.02

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Solution

The fourth proportional to 7,487.82, 11,234.96 and 4,021.02 is: 6,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.82 : 11,234.96 = 4,021.02 : x
  2. Step 2: Convert to fraction form
    7,487.82/11,234.96 = 4,021.02/x
  3. Step 3: Cross multiply
    7,487.82x = 11,234.96 × 4,021.02
  4. Step 4: Simplify right side
    7,487.82x = 45,175,998.86
  5. Step 5: Solve for x
    x = 45,175,998.86/7,487.82
  6. Step 6: Final answer
    x = 6,033.26

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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.