Home / 6,883.20-10,319.60-3,422.88

Finding the Fourth Proportional to 6,883.20, 10,319.60 and 3,422.88

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Solution

The fourth proportional to 6,883.20, 10,319.60 and 3,422.88 is: 5,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.20 : 10,319.60 = 3,422.88 : x
  2. Step 2: Convert to fraction form
    6,883.20/10,319.60 = 3,422.88/x
  3. Step 3: Cross multiply
    6,883.20x = 10,319.60 × 3,422.88
  4. Step 4: Simplify right side
    6,883.20x = 35,322,752.45
  5. Step 5: Solve for x
    x = 35,322,752.45/6,883.20
  6. Step 6: Final answer
    x = 5,131.73

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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.