Home / 6,213.38-8,574.46-3,418.88

Finding the Fourth Proportional to 6,213.38, 8,574.46 and 3,418.88

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Solution

The fourth proportional to 6,213.38, 8,574.46 and 3,418.88 is: 4,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.38 : 8,574.46 = 3,418.88 : x
  2. Step 2: Convert to fraction form
    6,213.38/8,574.46 = 3,418.88/x
  3. Step 3: Cross multiply
    6,213.38x = 8,574.46 × 3,418.88
  4. Step 4: Simplify right side
    6,213.38x = 29,314,998.39
  5. Step 5: Solve for x
    x = 29,314,998.39/6,213.38
  6. Step 6: Final answer
    x = 4,718.05

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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.