Home / 6,211.28-8,571.12-3,558.62

Finding the Fourth Proportional to 6,211.28, 8,571.12 and 3,558.62

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Solution

The fourth proportional to 6,211.28, 8,571.12 and 3,558.62 is: 4,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.28 : 8,571.12 = 3,558.62 : x
  2. Step 2: Convert to fraction form
    6,211.28/8,571.12 = 3,558.62/x
  3. Step 3: Cross multiply
    6,211.28x = 8,571.12 × 3,558.62
  4. Step 4: Simplify right side
    6,211.28x = 30,501,359.05
  5. Step 5: Solve for x
    x = 30,501,359.05/6,211.28
  6. Step 6: Final answer
    x = 4,910.64

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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.