Home / 7,081.21-10,627.49-4,161.97

Finding the Fourth Proportional to 7,081.21, 10,627.49 and 4,161.97

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Solution

The fourth proportional to 7,081.21, 10,627.49 and 4,161.97 is: 6,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.21 : 10,627.49 = 4,161.97 : x
  2. Step 2: Convert to fraction form
    7,081.21/10,627.49 = 4,161.97/x
  3. Step 3: Cross multiply
    7,081.21x = 10,627.49 × 4,161.97
  4. Step 4: Simplify right side
    7,081.21x = 44,231,294.56
  5. Step 5: Solve for x
    x = 44,231,294.56/7,081.21
  6. Step 6: Final answer
    x = 6,246.29

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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.