Home / 4,079.00-6,119.10-1,305.42

Finding the Fourth Proportional to 4,079.00, 6,119.10 and 1,305.42

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Solution

The fourth proportional to 4,079.00, 6,119.10 and 1,305.42 is: 1,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.00 : 6,119.10 = 1,305.42 : x
  2. Step 2: Convert to fraction form
    4,079.00/6,119.10 = 1,305.42/x
  3. Step 3: Cross multiply
    4,079.00x = 6,119.10 × 1,305.42
  4. Step 4: Simplify right side
    4,079.00x = 7,987,995.52
  5. Step 5: Solve for x
    x = 7,987,995.52/4,079.00
  6. Step 6: Final answer
    x = 1,958.32

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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.