Home / 4,480.56-6,179.99-2,987.73

Finding the Fourth Proportional to 4,480.56, 6,179.99 and 2,987.73

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Solution

The fourth proportional to 4,480.56, 6,179.99 and 2,987.73 is: 4,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.56 : 6,179.99 = 2,987.73 : x
  2. Step 2: Convert to fraction form
    4,480.56/6,179.99 = 2,987.73/x
  3. Step 3: Cross multiply
    4,480.56x = 6,179.99 × 2,987.73
  4. Step 4: Simplify right side
    4,480.56x = 18,464,126.58
  5. Step 5: Solve for x
    x = 18,464,126.58/4,480.56
  6. Step 6: Final answer
    x = 4,120.94

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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.