Home / 6,131.14-9,190.13-2,428.22

Finding the Fourth Proportional to 6,131.14, 9,190.13 and 2,428.22

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Solution

The fourth proportional to 6,131.14, 9,190.13 and 2,428.22 is: 3,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.14 : 9,190.13 = 2,428.22 : x
  2. Step 2: Convert to fraction form
    6,131.14/9,190.13 = 2,428.22/x
  3. Step 3: Cross multiply
    6,131.14x = 9,190.13 × 2,428.22
  4. Step 4: Simplify right side
    6,131.14x = 22,315,668.30
  5. Step 5: Solve for x
    x = 22,315,668.30/6,131.14
  6. Step 6: Final answer
    x = 3,639.73

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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.