Home / 7,454.68-11,190.66-3,998.68

Finding the Fourth Proportional to 7,454.68, 11,190.66 and 3,998.68

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Solution

The fourth proportional to 7,454.68, 11,190.66 and 3,998.68 is: 6,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.68 : 11,190.66 = 3,998.68 : x
  2. Step 2: Convert to fraction form
    7,454.68/11,190.66 = 3,998.68/x
  3. Step 3: Cross multiply
    7,454.68x = 11,190.66 × 3,998.68
  4. Step 4: Simplify right side
    7,454.68x = 44,747,868.33
  5. Step 5: Solve for x
    x = 44,747,868.33/7,454.68
  6. Step 6: Final answer
    x = 6,002.65

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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.