Home / 7,489.80-11,234.70-2,559.48

Finding the Fourth Proportional to 7,489.80, 11,234.70 and 2,559.48

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Solution

The fourth proportional to 7,489.80, 11,234.70 and 2,559.48 is: 3,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.80 : 11,234.70 = 2,559.48 : x
  2. Step 2: Convert to fraction form
    7,489.80/11,234.70 = 2,559.48/x
  3. Step 3: Cross multiply
    7,489.80x = 11,234.70 × 2,559.48
  4. Step 4: Simplify right side
    7,489.80x = 28,755,038.48
  5. Step 5: Solve for x
    x = 28,755,038.48/7,489.80
  6. Step 6: Final answer
    x = 3,839.23

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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.