Home / 6,383.23-8,805.78-4,115.43

Finding the Fourth Proportional to 6,383.23, 8,805.78 and 4,115.43

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Solution

The fourth proportional to 6,383.23, 8,805.78 and 4,115.43 is: 5,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.23 : 8,805.78 = 4,115.43 : x
  2. Step 2: Convert to fraction form
    6,383.23/8,805.78 = 4,115.43/x
  3. Step 3: Cross multiply
    6,383.23x = 8,805.78 × 4,115.43
  4. Step 4: Simplify right side
    6,383.23x = 36,239,571.19
  5. Step 5: Solve for x
    x = 36,239,571.19/6,383.23
  6. Step 6: Final answer
    x = 5,677.31

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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.