Home / 7,968.72-11,942.32-3,035.67

Finding the Fourth Proportional to 7,968.72, 11,942.32 and 3,035.67

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Solution

The fourth proportional to 7,968.72, 11,942.32 and 3,035.67 is: 4,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.72 : 11,942.32 = 3,035.67 : x
  2. Step 2: Convert to fraction form
    7,968.72/11,942.32 = 3,035.67/x
  3. Step 3: Cross multiply
    7,968.72x = 11,942.32 × 3,035.67
  4. Step 4: Simplify right side
    7,968.72x = 36,252,942.55
  5. Step 5: Solve for x
    x = 36,252,942.55/7,968.72
  6. Step 6: Final answer
    x = 4,549.41

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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.