Home / 4,480.96-6,713.18-2,138.44

Finding the Fourth Proportional to 4,480.96, 6,713.18 and 2,138.44

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Solution

The fourth proportional to 4,480.96, 6,713.18 and 2,138.44 is: 3,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.96 : 6,713.18 = 2,138.44 : x
  2. Step 2: Convert to fraction form
    4,480.96/6,713.18 = 2,138.44/x
  3. Step 3: Cross multiply
    4,480.96x = 6,713.18 × 2,138.44
  4. Step 4: Simplify right side
    4,480.96x = 14,355,732.64
  5. Step 5: Solve for x
    x = 14,355,732.64/4,480.96
  6. Step 6: Final answer
    x = 3,203.72

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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.