Home / 4,279.21-5,906.08-2,768.63

Finding the Fourth Proportional to 4,279.21, 5,906.08 and 2,768.63

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Solution

The fourth proportional to 4,279.21, 5,906.08 and 2,768.63 is: 3,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.21 : 5,906.08 = 2,768.63 : x
  2. Step 2: Convert to fraction form
    4,279.21/5,906.08 = 2,768.63/x
  3. Step 3: Cross multiply
    4,279.21x = 5,906.08 × 2,768.63
  4. Step 4: Simplify right side
    4,279.21x = 16,351,724.20
  5. Step 5: Solve for x
    x = 16,351,724.20/4,279.21
  6. Step 6: Final answer
    x = 3,821.20

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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.