Home / 6,121.28-9,185.55-2,225.99

Finding the Fourth Proportional to 6,121.28, 9,185.55 and 2,225.99

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Solution

The fourth proportional to 6,121.28, 9,185.55 and 2,225.99 is: 3,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.28 : 9,185.55 = 2,225.99 : x
  2. Step 2: Convert to fraction form
    6,121.28/9,185.55 = 2,225.99/x
  3. Step 3: Cross multiply
    6,121.28x = 9,185.55 × 2,225.99
  4. Step 4: Simplify right side
    6,121.28x = 20,446,942.44
  5. Step 5: Solve for x
    x = 20,446,942.44/6,121.28
  6. Step 6: Final answer
    x = 3,340.31

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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.