Home / 6,213.85-8,572.23-3,694.55

Finding the Fourth Proportional to 6,213.85, 8,572.23 and 3,694.55

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Solution

The fourth proportional to 6,213.85, 8,572.23 and 3,694.55 is: 5,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.85 : 8,572.23 = 3,694.55 : x
  2. Step 2: Convert to fraction form
    6,213.85/8,572.23 = 3,694.55/x
  3. Step 3: Cross multiply
    6,213.85x = 8,572.23 × 3,694.55
  4. Step 4: Simplify right side
    6,213.85x = 31,670,489.49
  5. Step 5: Solve for x
    x = 31,670,489.49/6,213.85
  6. Step 6: Final answer
    x = 5,096.76

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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.