Home / 7,450.30-11,176.80-3,743.20

Finding the Fourth Proportional to 7,450.30, 11,176.80 and 3,743.20

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Solution

The fourth proportional to 7,450.30, 11,176.80 and 3,743.20 is: 5,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.30 : 11,176.80 = 3,743.20 : x
  2. Step 2: Convert to fraction form
    7,450.30/11,176.80 = 3,743.20/x
  3. Step 3: Cross multiply
    7,450.30x = 11,176.80 × 3,743.20
  4. Step 4: Simplify right side
    7,450.30x = 41,836,997.76
  5. Step 5: Solve for x
    x = 41,836,997.76/7,450.30
  6. Step 6: Final answer
    x = 5,615.48

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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.