Home / 7,489.48-11,234.27-3,328.51

Finding the Fourth Proportional to 7,489.48, 11,234.27 and 3,328.51

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Solution

The fourth proportional to 7,489.48, 11,234.27 and 3,328.51 is: 4,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.48 : 11,234.27 = 3,328.51 : x
  2. Step 2: Convert to fraction form
    7,489.48/11,234.27 = 3,328.51/x
  3. Step 3: Cross multiply
    7,489.48x = 11,234.27 × 3,328.51
  4. Step 4: Simplify right side
    7,489.48x = 37,393,363.40
  5. Step 5: Solve for x
    x = 37,393,363.40/7,489.48
  6. Step 6: Final answer
    x = 4,992.78

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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.