Home / 7,631.28-11,446.44-2,436.72

Finding the Fourth Proportional to 7,631.28, 11,446.44 and 2,436.72

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Solution

The fourth proportional to 7,631.28, 11,446.44 and 2,436.72 is: 3,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.28 : 11,446.44 = 2,436.72 : x
  2. Step 2: Convert to fraction form
    7,631.28/11,446.44 = 2,436.72/x
  3. Step 3: Cross multiply
    7,631.28x = 11,446.44 × 2,436.72
  4. Step 4: Simplify right side
    7,631.28x = 27,891,769.28
  5. Step 5: Solve for x
    x = 27,891,769.28/7,631.28
  6. Step 6: Final answer
    x = 3,654.93

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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.