Home / 6,883.20-10,319.40-3,805.20

Finding the Fourth Proportional to 6,883.20, 10,319.40 and 3,805.20

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Solution

The fourth proportional to 6,883.20, 10,319.40 and 3,805.20 is: 5,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.20 : 10,319.40 = 3,805.20 : x
  2. Step 2: Convert to fraction form
    6,883.20/10,319.40 = 3,805.20/x
  3. Step 3: Cross multiply
    6,883.20x = 10,319.40 × 3,805.20
  4. Step 4: Simplify right side
    6,883.20x = 39,267,380.88
  5. Step 5: Solve for x
    x = 39,267,380.88/6,883.20
  6. Step 6: Final answer
    x = 5,704.81

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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.