Home / 8,616.26-12,923.43-2,772.38

Finding the Fourth Proportional to 8,616.26, 12,923.43 and 2,772.38

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Solution

The fourth proportional to 8,616.26, 12,923.43 and 2,772.38 is: 4,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.26 : 12,923.43 = 2,772.38 : x
  2. Step 2: Convert to fraction form
    8,616.26/12,923.43 = 2,772.38/x
  3. Step 3: Cross multiply
    8,616.26x = 12,923.43 × 2,772.38
  4. Step 4: Simplify right side
    8,616.26x = 35,828,594.25
  5. Step 5: Solve for x
    x = 35,828,594.25/8,616.26
  6. Step 6: Final answer
    x = 4,158.26

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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.