Home / 7,154.56-10,734.90-3,869.97

Finding the Fourth Proportional to 7,154.56, 10,734.90 and 3,869.97

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Solution

The fourth proportional to 7,154.56, 10,734.90 and 3,869.97 is: 5,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.56 : 10,734.90 = 3,869.97 : x
  2. Step 2: Convert to fraction form
    7,154.56/10,734.90 = 3,869.97/x
  3. Step 3: Cross multiply
    7,154.56x = 10,734.90 × 3,869.97
  4. Step 4: Simplify right side
    7,154.56x = 41,543,740.95
  5. Step 5: Solve for x
    x = 41,543,740.95/7,154.56
  6. Step 6: Final answer
    x = 5,806.61

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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.