Home / 7,709.72-11,561.94-2,514.38

Finding the Fourth Proportional to 7,709.72, 11,561.94 and 2,514.38

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Solution

The fourth proportional to 7,709.72, 11,561.94 and 2,514.38 is: 3,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.72 : 11,561.94 = 2,514.38 : x
  2. Step 2: Convert to fraction form
    7,709.72/11,561.94 = 2,514.38/x
  3. Step 3: Cross multiply
    7,709.72x = 11,561.94 × 2,514.38
  4. Step 4: Simplify right side
    7,709.72x = 29,071,052.89
  5. Step 5: Solve for x
    x = 29,071,052.89/7,709.72
  6. Step 6: Final answer
    x = 3,770.70

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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.