Home / 6,139.91-9,202.73-3,509.26

Finding the Fourth Proportional to 6,139.91, 9,202.73 and 3,509.26

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Solution

The fourth proportional to 6,139.91, 9,202.73 and 3,509.26 is: 5,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.91 : 9,202.73 = 3,509.26 : x
  2. Step 2: Convert to fraction form
    6,139.91/9,202.73 = 3,509.26/x
  3. Step 3: Cross multiply
    6,139.91x = 9,202.73 × 3,509.26
  4. Step 4: Simplify right side
    6,139.91x = 32,294,772.28
  5. Step 5: Solve for x
    x = 32,294,772.28/6,139.91
  6. Step 6: Final answer
    x = 5,259.81

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1.5x scale

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.