Home / 6,299.58-8,690.91-3,781.83

Finding the Fourth Proportional to 6,299.58, 8,690.91 and 3,781.83

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Solution

The fourth proportional to 6,299.58, 8,690.91 and 3,781.83 is: 5,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.58 : 8,690.91 = 3,781.83 : x
  2. Step 2: Convert to fraction form
    6,299.58/8,690.91 = 3,781.83/x
  3. Step 3: Cross multiply
    6,299.58x = 8,690.91 × 3,781.83
  4. Step 4: Simplify right side
    6,299.58x = 32,867,544.17
  5. Step 5: Solve for x
    x = 32,867,544.17/6,299.58
  6. Step 6: Final answer
    x = 5,217.42

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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.