Home / 4,119.90-6,180.81-1,198.26

Finding the Fourth Proportional to 4,119.90, 6,180.81 and 1,198.26

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Solution

The fourth proportional to 4,119.90, 6,180.81 and 1,198.26 is: 1,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.90 : 6,180.81 = 1,198.26 : x
  2. Step 2: Convert to fraction form
    4,119.90/6,180.81 = 1,198.26/x
  3. Step 3: Cross multiply
    4,119.90x = 6,180.81 × 1,198.26
  4. Step 4: Simplify right side
    4,119.90x = 7,406,217.39
  5. Step 5: Solve for x
    x = 7,406,217.39/4,119.90
  6. Step 6: Final answer
    x = 1,797.67

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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.