Home / 4,080.11-6,119.82-1,306.01

Finding the Fourth Proportional to 4,080.11, 6,119.82 and 1,306.01

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Solution

The fourth proportional to 4,080.11, 6,119.82 and 1,306.01 is: 1,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.11 : 6,119.82 = 1,306.01 : x
  2. Step 2: Convert to fraction form
    4,080.11/6,119.82 = 1,306.01/x
  3. Step 3: Cross multiply
    4,080.11x = 6,119.82 × 1,306.01
  4. Step 4: Simplify right side
    4,080.11x = 7,992,561.42
  5. Step 5: Solve for x
    x = 7,992,561.42/4,080.11
  6. Step 6: Final answer
    x = 1,958.91

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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.