Home / 7,431.82-11,146.47-2,236.48

Finding the Fourth Proportional to 7,431.82, 11,146.47 and 2,236.48

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Solution

The fourth proportional to 7,431.82, 11,146.47 and 2,236.48 is: 3,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.82 : 11,146.47 = 2,236.48 : x
  2. Step 2: Convert to fraction form
    7,431.82/11,146.47 = 2,236.48/x
  3. Step 3: Cross multiply
    7,431.82x = 11,146.47 × 2,236.48
  4. Step 4: Simplify right side
    7,431.82x = 24,928,857.23
  5. Step 5: Solve for x
    x = 24,928,857.23/7,431.82
  6. Step 6: Final answer
    x = 3,354.34

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Double scale
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Similar ratio
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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.