Home / 4,578.26-6,863.34-1,979.78

Finding the Fourth Proportional to 4,578.26, 6,863.34 and 1,979.78

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Solution

The fourth proportional to 4,578.26, 6,863.34 and 1,979.78 is: 2,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.26 : 6,863.34 = 1,979.78 : x
  2. Step 2: Convert to fraction form
    4,578.26/6,863.34 = 1,979.78/x
  3. Step 3: Cross multiply
    4,578.26x = 6,863.34 × 1,979.78
  4. Step 4: Simplify right side
    4,578.26x = 13,587,903.27
  5. Step 5: Solve for x
    x = 13,587,903.27/4,578.26
  6. Step 6: Final answer
    x = 2,967.92

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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.