Home / 7,669.35-11,511.45-3,974.13

Finding the Fourth Proportional to 7,669.35, 11,511.45 and 3,974.13

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Solution

The fourth proportional to 7,669.35, 11,511.45 and 3,974.13 is: 5,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.35 : 11,511.45 = 3,974.13 : x
  2. Step 2: Convert to fraction form
    7,669.35/11,511.45 = 3,974.13/x
  3. Step 3: Cross multiply
    7,669.35x = 11,511.45 × 3,974.13
  4. Step 4: Simplify right side
    7,669.35x = 45,747,998.79
  5. Step 5: Solve for x
    x = 45,747,998.79/7,669.35
  6. Step 6: Final answer
    x = 5,965.04

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1.5x scale

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.