Home / 7,211.76-10,811.16-3,744.96

Finding the Fourth Proportional to 7,211.76, 10,811.16 and 3,744.96

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Solution

The fourth proportional to 7,211.76, 10,811.16 and 3,744.96 is: 5,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.76 : 10,811.16 = 3,744.96 : x
  2. Step 2: Convert to fraction form
    7,211.76/10,811.16 = 3,744.96/x
  3. Step 3: Cross multiply
    7,211.76x = 10,811.16 × 3,744.96
  4. Step 4: Simplify right side
    7,211.76x = 40,487,361.75
  5. Step 5: Solve for x
    x = 40,487,361.75/7,211.76
  6. Step 6: Final answer
    x = 5,614.08

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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.