Home / 6,738.85-9,296.97-4,219.88

Finding the Fourth Proportional to 6,738.85, 9,296.97 and 4,219.88

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Solution

The fourth proportional to 6,738.85, 9,296.97 and 4,219.88 is: 5,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.85 : 9,296.97 = 4,219.88 : x
  2. Step 2: Convert to fraction form
    6,738.85/9,296.97 = 4,219.88/x
  3. Step 3: Cross multiply
    6,738.85x = 9,296.97 × 4,219.88
  4. Step 4: Simplify right side
    6,738.85x = 39,232,097.76
  5. Step 5: Solve for x
    x = 39,232,097.76/6,738.85
  6. Step 6: Final answer
    x = 5,821.78

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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.