Home / 6,135.08-8,463.30-3,899.48

Finding the Fourth Proportional to 6,135.08, 8,463.30 and 3,899.48

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Solution

The fourth proportional to 6,135.08, 8,463.30 and 3,899.48 is: 5,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.08 : 8,463.30 = 3,899.48 : x
  2. Step 2: Convert to fraction form
    6,135.08/8,463.30 = 3,899.48/x
  3. Step 3: Cross multiply
    6,135.08x = 8,463.30 × 3,899.48
  4. Step 4: Simplify right side
    6,135.08x = 33,002,469.08
  5. Step 5: Solve for x
    x = 33,002,469.08/6,135.08
  6. Step 6: Final answer
    x = 5,379.31

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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.