Home / 6,129.26-9,195.05-1,969.29

Finding the Fourth Proportional to 6,129.26, 9,195.05 and 1,969.29

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Solution

The fourth proportional to 6,129.26, 9,195.05 and 1,969.29 is: 2,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.26 : 9,195.05 = 1,969.29 : x
  2. Step 2: Convert to fraction form
    6,129.26/9,195.05 = 1,969.29/x
  3. Step 3: Cross multiply
    6,129.26x = 9,195.05 × 1,969.29
  4. Step 4: Simplify right side
    6,129.26x = 18,107,710.17
  5. Step 5: Solve for x
    x = 18,107,710.17/6,129.26
  6. Step 6: Final answer
    x = 2,954.31

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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.