Home / 7,438.39-11,163.72-3,741.67

Finding the Fourth Proportional to 7,438.39, 11,163.72 and 3,741.67

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Solution

The fourth proportional to 7,438.39, 11,163.72 and 3,741.67 is: 5,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.39 : 11,163.72 = 3,741.67 : x
  2. Step 2: Convert to fraction form
    7,438.39/11,163.72 = 3,741.67/x
  3. Step 3: Cross multiply
    7,438.39x = 11,163.72 × 3,741.67
  4. Step 4: Simplify right side
    7,438.39x = 41,770,956.21
  5. Step 5: Solve for x
    x = 41,770,956.21/7,438.39
  6. Step 6: Final answer
    x = 5,615.59

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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.