Home / 4,236.31-6,354.47-1,769.78

Finding the Fourth Proportional to 4,236.31, 6,354.47 and 1,769.78

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Solution

The fourth proportional to 4,236.31, 6,354.47 and 1,769.78 is: 2,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.31 : 6,354.47 = 1,769.78 : x
  2. Step 2: Convert to fraction form
    4,236.31/6,354.47 = 1,769.78/x
  3. Step 3: Cross multiply
    4,236.31x = 6,354.47 × 1,769.78
  4. Step 4: Simplify right side
    4,236.31x = 11,246,020.95
  5. Step 5: Solve for x
    x = 11,246,020.95/4,236.31
  6. Step 6: Final answer
    x = 2,654.68

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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.