Home / 6,136.72-9,205.07-2,240.21

Finding the Fourth Proportional to 6,136.72, 9,205.07 and 2,240.21

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Solution

The fourth proportional to 6,136.72, 9,205.07 and 2,240.21 is: 3,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.72 : 9,205.07 = 2,240.21 : x
  2. Step 2: Convert to fraction form
    6,136.72/9,205.07 = 2,240.21/x
  3. Step 3: Cross multiply
    6,136.72x = 9,205.07 × 2,240.21
  4. Step 4: Simplify right side
    6,136.72x = 20,621,301.68
  5. Step 5: Solve for x
    x = 20,621,301.68/6,136.72
  6. Step 6: Final answer
    x = 3,360.31

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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.