Home / 8,939.27-13,408.91-3,095.88

Finding the Fourth Proportional to 8,939.27, 13,408.91 and 3,095.88

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Solution

The fourth proportional to 8,939.27, 13,408.91 and 3,095.88 is: 4,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.27 : 13,408.91 = 3,095.88 : x
  2. Step 2: Convert to fraction form
    8,939.27/13,408.91 = 3,095.88/x
  3. Step 3: Cross multiply
    8,939.27x = 13,408.91 × 3,095.88
  4. Step 4: Simplify right side
    8,939.27x = 41,512,338.10
  5. Step 5: Solve for x
    x = 41,512,338.10/8,939.27
  6. Step 6: Final answer
    x = 4,643.82

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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.