Home / 4,689.36-7,033.56-1,226.61

Finding the Fourth Proportional to 4,689.36, 7,033.56 and 1,226.61

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Solution

The fourth proportional to 4,689.36, 7,033.56 and 1,226.61 is: 1,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.36 : 7,033.56 = 1,226.61 : x
  2. Step 2: Convert to fraction form
    4,689.36/7,033.56 = 1,226.61/x
  3. Step 3: Cross multiply
    4,689.36x = 7,033.56 × 1,226.61
  4. Step 4: Simplify right side
    4,689.36x = 8,627,435.03
  5. Step 5: Solve for x
    x = 8,627,435.03/4,689.36
  6. Step 6: Final answer
    x = 1,839.79

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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.