Home / 4,147.39-6,208.66-3,999.70

Finding the Fourth Proportional to 4,147.39, 6,208.66 and 3,999.70

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Solution

The fourth proportional to 4,147.39, 6,208.66 and 3,999.70 is: 5,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.39 : 6,208.66 = 3,999.70 : x
  2. Step 2: Convert to fraction form
    4,147.39/6,208.66 = 3,999.70/x
  3. Step 3: Cross multiply
    4,147.39x = 6,208.66 × 3,999.70
  4. Step 4: Simplify right side
    4,147.39x = 24,832,777.40
  5. Step 5: Solve for x
    x = 24,832,777.40/4,147.39
  6. Step 6: Final answer
    x = 5,987.57

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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.