Home / 5,645.33-7,790.68-3,379.02

Finding the Fourth Proportional to 5,645.33, 7,790.68 and 3,379.02

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Solution

The fourth proportional to 5,645.33, 7,790.68 and 3,379.02 is: 4,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.33 : 7,790.68 = 3,379.02 : x
  2. Step 2: Convert to fraction form
    5,645.33/7,790.68 = 3,379.02/x
  3. Step 3: Cross multiply
    5,645.33x = 7,790.68 × 3,379.02
  4. Step 4: Simplify right side
    5,645.33x = 26,324,863.53
  5. Step 5: Solve for x
    x = 26,324,863.53/5,645.33
  6. Step 6: Final answer
    x = 4,663.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.