Home / 5,961.66-8,939.85-3,187.81

Finding the Fourth Proportional to 5,961.66, 8,939.85 and 3,187.81

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Solution

The fourth proportional to 5,961.66, 8,939.85 and 3,187.81 is: 4,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.66 : 8,939.85 = 3,187.81 : x
  2. Step 2: Convert to fraction form
    5,961.66/8,939.85 = 3,187.81/x
  3. Step 3: Cross multiply
    5,961.66x = 8,939.85 × 3,187.81
  4. Step 4: Simplify right side
    5,961.66x = 28,498,543.23
  5. Step 5: Solve for x
    x = 28,498,543.23/5,961.66
  6. Step 6: Final answer
    x = 4,780.30

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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.