Home / 6,231.70-8,599.85-3,399.09

Finding the Fourth Proportional to 6,231.70, 8,599.85 and 3,399.09

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Solution

The fourth proportional to 6,231.70, 8,599.85 and 3,399.09 is: 4,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.70 : 8,599.85 = 3,399.09 : x
  2. Step 2: Convert to fraction form
    6,231.70/8,599.85 = 3,399.09/x
  3. Step 3: Cross multiply
    6,231.70x = 8,599.85 × 3,399.09
  4. Step 4: Simplify right side
    6,231.70x = 29,231,664.14
  5. Step 5: Solve for x
    x = 29,231,664.14/6,231.70
  6. Step 6: Final answer
    x = 4,690.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.