Home / 6,211.43-8,571.94-3,378.97

Finding the Fourth Proportional to 6,211.43, 8,571.94 and 3,378.97

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Solution

The fourth proportional to 6,211.43, 8,571.94 and 3,378.97 is: 4,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.43 : 8,571.94 = 3,378.97 : x
  2. Step 2: Convert to fraction form
    6,211.43/8,571.94 = 3,378.97/x
  3. Step 3: Cross multiply
    6,211.43x = 8,571.94 × 3,378.97
  4. Step 4: Simplify right side
    6,211.43x = 28,964,328.10
  5. Step 5: Solve for x
    x = 28,964,328.10/6,211.43
  6. Step 6: Final answer
    x = 4,663.07

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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.