Home / 7,578.29-11,372.33-3,195.77

Finding the Fourth Proportional to 7,578.29, 11,372.33 and 3,195.77

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Solution

The fourth proportional to 7,578.29, 11,372.33 and 3,195.77 is: 4,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.29 : 11,372.33 = 3,195.77 : x
  2. Step 2: Convert to fraction form
    7,578.29/11,372.33 = 3,195.77/x
  3. Step 3: Cross multiply
    7,578.29x = 11,372.33 × 3,195.77
  4. Step 4: Simplify right side
    7,578.29x = 36,343,351.04
  5. Step 5: Solve for x
    x = 36,343,351.04/7,578.29
  6. Step 6: Final answer
    x = 4,795.72

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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.