Home / 7,717.67-11,572.18-2,451.71

Finding the Fourth Proportional to 7,717.67, 11,572.18 and 2,451.71

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Solution

The fourth proportional to 7,717.67, 11,572.18 and 2,451.71 is: 3,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.67 : 11,572.18 = 2,451.71 : x
  2. Step 2: Convert to fraction form
    7,717.67/11,572.18 = 2,451.71/x
  3. Step 3: Cross multiply
    7,717.67x = 11,572.18 × 2,451.71
  4. Step 4: Simplify right side
    7,717.67x = 28,371,629.43
  5. Step 5: Solve for x
    x = 28,371,629.43/7,717.67
  6. Step 6: Final answer
    x = 3,676.19

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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.