Home / 4,119.12-6,178.92-1,197.84

Finding the Fourth Proportional to 4,119.12, 6,178.92 and 1,197.84

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Solution

The fourth proportional to 4,119.12, 6,178.92 and 1,197.84 is: 1,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.12 : 6,178.92 = 1,197.84 : x
  2. Step 2: Convert to fraction form
    4,119.12/6,178.92 = 1,197.84/x
  3. Step 3: Cross multiply
    4,119.12x = 6,178.92 × 1,197.84
  4. Step 4: Simplify right side
    4,119.12x = 7,401,357.53
  5. Step 5: Solve for x
    x = 7,401,357.53/4,119.12
  6. Step 6: Final answer
    x = 1,796.83

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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.