Home / 6,899.19-9,520.69-3,755.31

Finding the Fourth Proportional to 6,899.19, 9,520.69 and 3,755.31

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Solution

The fourth proportional to 6,899.19, 9,520.69 and 3,755.31 is: 5,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.19 : 9,520.69 = 3,755.31 : x
  2. Step 2: Convert to fraction form
    6,899.19/9,520.69 = 3,755.31/x
  3. Step 3: Cross multiply
    6,899.19x = 9,520.69 × 3,755.31
  4. Step 4: Simplify right side
    6,899.19x = 35,753,142.36
  5. Step 5: Solve for x
    x = 35,753,142.36/6,899.19
  6. Step 6: Final answer
    x = 5,182.22

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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.