Home / 7,305.21-10,081.17-4,161.42

Finding the Fourth Proportional to 7,305.21, 10,081.17 and 4,161.42

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Solution

The fourth proportional to 7,305.21, 10,081.17 and 4,161.42 is: 5,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.21 : 10,081.17 = 4,161.42 : x
  2. Step 2: Convert to fraction form
    7,305.21/10,081.17 = 4,161.42/x
  3. Step 3: Cross multiply
    7,305.21x = 10,081.17 × 4,161.42
  4. Step 4: Simplify right side
    7,305.21x = 41,951,982.46
  5. Step 5: Solve for x
    x = 41,951,982.46/7,305.21
  6. Step 6: Final answer
    x = 5,742.75

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1.5x scale

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.