Home / 5,080.14-7,622.48-3,230.78

Finding the Fourth Proportional to 5,080.14, 7,622.48 and 3,230.78

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Solution

The fourth proportional to 5,080.14, 7,622.48 and 3,230.78 is: 4,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.14 : 7,622.48 = 3,230.78 : x
  2. Step 2: Convert to fraction form
    5,080.14/7,622.48 = 3,230.78/x
  3. Step 3: Cross multiply
    5,080.14x = 7,622.48 × 3,230.78
  4. Step 4: Simplify right side
    5,080.14x = 24,626,525.90
  5. Step 5: Solve for x
    x = 24,626,525.90/5,080.14
  6. Step 6: Final answer
    x = 4,847.61

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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.