Home / 6,119.15-9,172.42-2,419.88

Finding the Fourth Proportional to 6,119.15, 9,172.42 and 2,419.88

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Solution

The fourth proportional to 6,119.15, 9,172.42 and 2,419.88 is: 3,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.15 : 9,172.42 = 2,419.88 : x
  2. Step 2: Convert to fraction form
    6,119.15/9,172.42 = 2,419.88/x
  3. Step 3: Cross multiply
    6,119.15x = 9,172.42 × 2,419.88
  4. Step 4: Simplify right side
    6,119.15x = 22,196,103.80
  5. Step 5: Solve for x
    x = 22,196,103.80/6,119.15
  6. Step 6: Final answer
    x = 3,627.32

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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.