Home / 7,489.42-11,234.12-2,559.09

Finding the Fourth Proportional to 7,489.42, 11,234.12 and 2,559.09

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Solution

The fourth proportional to 7,489.42, 11,234.12 and 2,559.09 is: 3,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.42 : 11,234.12 = 2,559.09 : x
  2. Step 2: Convert to fraction form
    7,489.42/11,234.12 = 2,559.09/x
  3. Step 3: Cross multiply
    7,489.42x = 11,234.12 × 2,559.09
  4. Step 4: Simplify right side
    7,489.42x = 28,749,124.15
  5. Step 5: Solve for x
    x = 28,749,124.15/7,489.42
  6. Step 6: Final answer
    x = 3,838.63

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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.