Home / 6,213.20-8,574.15-3,380.66

Finding the Fourth Proportional to 6,213.20, 8,574.15 and 3,380.66

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Solution

The fourth proportional to 6,213.20, 8,574.15 and 3,380.66 is: 4,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.20 : 8,574.15 = 3,380.66 : x
  2. Step 2: Convert to fraction form
    6,213.20/8,574.15 = 3,380.66/x
  3. Step 3: Cross multiply
    6,213.20x = 8,574.15 × 3,380.66
  4. Step 4: Simplify right side
    6,213.20x = 28,986,285.94
  5. Step 5: Solve for x
    x = 28,986,285.94/6,213.20
  6. Step 6: Final answer
    x = 4,665.27

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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.