Home / 4,478.94-6,720.87-2,170.44

Finding the Fourth Proportional to 4,478.94, 6,720.87 and 2,170.44

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Solution

The fourth proportional to 4,478.94, 6,720.87 and 2,170.44 is: 3,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.94 : 6,720.87 = 2,170.44 : x
  2. Step 2: Convert to fraction form
    4,478.94/6,720.87 = 2,170.44/x
  3. Step 3: Cross multiply
    4,478.94x = 6,720.87 × 2,170.44
  4. Step 4: Simplify right side
    4,478.94x = 14,587,245.08
  5. Step 5: Solve for x
    x = 14,587,245.08/4,478.94
  6. Step 6: Final answer
    x = 3,256.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.