Home / 6,128.43-9,187.77-2,663.25

Finding the Fourth Proportional to 6,128.43, 9,187.77 and 2,663.25

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Solution

The fourth proportional to 6,128.43, 9,187.77 and 2,663.25 is: 3,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.43 : 9,187.77 = 2,663.25 : x
  2. Step 2: Convert to fraction form
    6,128.43/9,187.77 = 2,663.25/x
  3. Step 3: Cross multiply
    6,128.43x = 9,187.77 × 2,663.25
  4. Step 4: Simplify right side
    6,128.43x = 24,469,328.45
  5. Step 5: Solve for x
    x = 24,469,328.45/6,128.43
  6. Step 6: Final answer
    x = 3,992.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.