Home / 4,079.85-5,617.80-3,519.33

Finding the Fourth Proportional to 4,079.85, 5,617.80 and 3,519.33

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Solution

The fourth proportional to 4,079.85, 5,617.80 and 3,519.33 is: 4,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.85 : 5,617.80 = 3,519.33 : x
  2. Step 2: Convert to fraction form
    4,079.85/5,617.80 = 3,519.33/x
  3. Step 3: Cross multiply
    4,079.85x = 5,617.80 × 3,519.33
  4. Step 4: Simplify right side
    4,079.85x = 19,770,892.07
  5. Step 5: Solve for x
    x = 19,770,892.07/4,079.85
  6. Step 6: Final answer
    x = 4,845.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.