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Finding the Fourth Proportional to 7,954.02, 11,930.80 and 3,796.96

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Solution

The fourth proportional to 7,954.02, 11,930.80 and 3,796.96 is: 5,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.02 : 11,930.80 = 3,796.96 : x
  2. Step 2: Convert to fraction form
    7,954.02/11,930.80 = 3,796.96/x
  3. Step 3: Cross multiply
    7,954.02x = 11,930.80 × 3,796.96
  4. Step 4: Simplify right side
    7,954.02x = 45,300,770.37
  5. Step 5: Solve for x
    x = 45,300,770.37/7,954.02
  6. Step 6: Final answer
    x = 5,695.33

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1.5x scale

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.