Home / 4,115.80-6,174.29-1,341.78

Finding the Fourth Proportional to 4,115.80, 6,174.29 and 1,341.78

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Solution

The fourth proportional to 4,115.80, 6,174.29 and 1,341.78 is: 2,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.80 : 6,174.29 = 1,341.78 : x
  2. Step 2: Convert to fraction form
    4,115.80/6,174.29 = 1,341.78/x
  3. Step 3: Cross multiply
    4,115.80x = 6,174.29 × 1,341.78
  4. Step 4: Simplify right side
    4,115.80x = 8,284,553.77
  5. Step 5: Solve for x
    x = 8,284,553.77/4,115.80
  6. Step 6: Final answer
    x = 2,012.87

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1.5x scale

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.