Home / 4,288.20-6,446.70-3,654.60

Finding the Fourth Proportional to 4,288.20, 6,446.70 and 3,654.60

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Solution

The fourth proportional to 4,288.20, 6,446.70 and 3,654.60 is: 5,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.20 : 6,446.70 = 3,654.60 : x
  2. Step 2: Convert to fraction form
    4,288.20/6,446.70 = 3,654.60/x
  3. Step 3: Cross multiply
    4,288.20x = 6,446.70 × 3,654.60
  4. Step 4: Simplify right side
    4,288.20x = 23,560,109.82
  5. Step 5: Solve for x
    x = 23,560,109.82/4,288.20
  6. Step 6: Final answer
    x = 5,494.17

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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.