Home / 8,587.24-12,879.42-2,743

Finding the Fourth Proportional to 8,587.24, 12,879.42 and 2,743

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Solution

The fourth proportional to 8,587.24, 12,879.42 and 2,743 is: 4,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.24 : 12,879.42 = 2,743 : x
  2. Step 2: Convert to fraction form
    8,587.24/12,879.42 = 2,743/x
  3. Step 3: Cross multiply
    8,587.24x = 12,879.42 × 2,743
  4. Step 4: Simplify right side
    8,587.24x = 35,328,249.06
  5. Step 5: Solve for x
    x = 35,328,249.06/8,587.24
  6. Step 6: Final answer
    x = 4,114.04

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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.