Home / 7,951.43-11,926.76-3,020.69

Finding the Fourth Proportional to 7,951.43, 11,926.76 and 3,020.69

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Solution

The fourth proportional to 7,951.43, 11,926.76 and 3,020.69 is: 4,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.43 : 11,926.76 = 3,020.69 : x
  2. Step 2: Convert to fraction form
    7,951.43/11,926.76 = 3,020.69/x
  3. Step 3: Cross multiply
    7,951.43x = 11,926.76 × 3,020.69
  4. Step 4: Simplify right side
    7,951.43x = 36,027,044.66
  5. Step 5: Solve for x
    x = 36,027,044.66/7,951.43
  6. Step 6: Final answer
    x = 4,530.89

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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.