Home / 4,249.71-6,374.06-1,129.95

Finding the Fourth Proportional to 4,249.71, 6,374.06 and 1,129.95

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Solution

The fourth proportional to 4,249.71, 6,374.06 and 1,129.95 is: 1,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.71 : 6,374.06 = 1,129.95 : x
  2. Step 2: Convert to fraction form
    4,249.71/6,374.06 = 1,129.95/x
  3. Step 3: Cross multiply
    4,249.71x = 6,374.06 × 1,129.95
  4. Step 4: Simplify right side
    4,249.71x = 7,202,387.35
  5. Step 5: Solve for x
    x = 7,202,387.35/4,249.71
  6. Step 6: Final answer
    x = 1,694.80

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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.