Home / 7,766.91-11,645.51-3,604.32

Finding the Fourth Proportional to 7,766.91, 11,645.51 and 3,604.32

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Solution

The fourth proportional to 7,766.91, 11,645.51 and 3,604.32 is: 5,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.91 : 11,645.51 = 3,604.32 : x
  2. Step 2: Convert to fraction form
    7,766.91/11,645.51 = 3,604.32/x
  3. Step 3: Cross multiply
    7,766.91x = 11,645.51 × 3,604.32
  4. Step 4: Simplify right side
    7,766.91x = 41,974,126.58
  5. Step 5: Solve for x
    x = 41,974,126.58/7,766.91
  6. Step 6: Final answer
    x = 5,404.22

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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.