Home / 4,578.56-6,867.92-1,115.84

Finding the Fourth Proportional to 4,578.56, 6,867.92 and 1,115.84

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Solution

The fourth proportional to 4,578.56, 6,867.92 and 1,115.84 is: 1,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.56 : 6,867.92 = 1,115.84 : x
  2. Step 2: Convert to fraction form
    4,578.56/6,867.92 = 1,115.84/x
  3. Step 3: Cross multiply
    4,578.56x = 6,867.92 × 1,115.84
  4. Step 4: Simplify right side
    4,578.56x = 7,663,499.85
  5. Step 5: Solve for x
    x = 7,663,499.85/4,578.56
  6. Step 6: Final answer
    x = 1,673.78

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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.