Home / 6,211.07-8,571.26-3,378.42

Finding the Fourth Proportional to 6,211.07, 8,571.26 and 3,378.42

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Solution

The fourth proportional to 6,211.07, 8,571.26 and 3,378.42 is: 4,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.07 : 8,571.26 = 3,378.42 : x
  2. Step 2: Convert to fraction form
    6,211.07/8,571.26 = 3,378.42/x
  3. Step 3: Cross multiply
    6,211.07x = 8,571.26 × 3,378.42
  4. Step 4: Simplify right side
    6,211.07x = 28,957,299.32
  5. Step 5: Solve for x
    x = 28,957,299.32/6,211.07
  6. Step 6: Final answer
    x = 4,662.21

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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.