Home / 6,231.82-8,590.32-4,103.68

Finding the Fourth Proportional to 6,231.82, 8,590.32 and 4,103.68

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Solution

The fourth proportional to 6,231.82, 8,590.32 and 4,103.68 is: 5,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.82 : 8,590.32 = 4,103.68 : x
  2. Step 2: Convert to fraction form
    6,231.82/8,590.32 = 4,103.68/x
  3. Step 3: Cross multiply
    6,231.82x = 8,590.32 × 4,103.68
  4. Step 4: Simplify right side
    6,231.82x = 35,251,860.91
  5. Step 5: Solve for x
    x = 35,251,860.91/6,231.82
  6. Step 6: Final answer
    x = 5,656.76

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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.