Home / 5,414.09-8,108.36-4,235.85

Finding the Fourth Proportional to 5,414.09, 8,108.36 and 4,235.85

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Solution

The fourth proportional to 5,414.09, 8,108.36 and 4,235.85 is: 6,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.09 : 8,108.36 = 4,235.85 : x
  2. Step 2: Convert to fraction form
    5,414.09/8,108.36 = 4,235.85/x
  3. Step 3: Cross multiply
    5,414.09x = 8,108.36 × 4,235.85
  4. Step 4: Simplify right side
    5,414.09x = 34,345,796.71
  5. Step 5: Solve for x
    x = 34,345,796.71/5,414.09
  6. Step 6: Final answer
    x = 6,343.78

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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.