Home / 4,513.88-6,772.44-3,279.20

Finding the Fourth Proportional to 4,513.88, 6,772.44 and 3,279.20

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Solution

The fourth proportional to 4,513.88, 6,772.44 and 3,279.20 is: 4,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.88 : 6,772.44 = 3,279.20 : x
  2. Step 2: Convert to fraction form
    4,513.88/6,772.44 = 3,279.20/x
  3. Step 3: Cross multiply
    4,513.88x = 6,772.44 × 3,279.20
  4. Step 4: Simplify right side
    4,513.88x = 22,208,185.25
  5. Step 5: Solve for x
    x = 22,208,185.25/4,513.88
  6. Step 6: Final answer
    x = 4,919.98

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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.