Home / 4,578.39-6,867.60-1,115.61

Finding the Fourth Proportional to 4,578.39, 6,867.60 and 1,115.61

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Solution

The fourth proportional to 4,578.39, 6,867.60 and 1,115.61 is: 1,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.39 : 6,867.60 = 1,115.61 : x
  2. Step 2: Convert to fraction form
    4,578.39/6,867.60 = 1,115.61/x
  3. Step 3: Cross multiply
    4,578.39x = 6,867.60 × 1,115.61
  4. Step 4: Simplify right side
    4,578.39x = 7,661,563.24
  5. Step 5: Solve for x
    x = 7,661,563.24/4,578.39
  6. Step 6: Final answer
    x = 1,673.42

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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.