Home / 6,121.58-8,447.49-3,327.08

Finding the Fourth Proportional to 6,121.58, 8,447.49 and 3,327.08

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Solution

The fourth proportional to 6,121.58, 8,447.49 and 3,327.08 is: 4,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.58 : 8,447.49 = 3,327.08 : x
  2. Step 2: Convert to fraction form
    6,121.58/8,447.49 = 3,327.08/x
  3. Step 3: Cross multiply
    6,121.58x = 8,447.49 × 3,327.08
  4. Step 4: Simplify right side
    6,121.58x = 28,105,432.79
  5. Step 5: Solve for x
    x = 28,105,432.79/6,121.58
  6. Step 6: Final answer
    x = 4,591.21

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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.