Home / 4,520.68-6,781.74-2,212.36

Finding the Fourth Proportional to 4,520.68, 6,781.74 and 2,212.36

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Solution

The fourth proportional to 4,520.68, 6,781.74 and 2,212.36 is: 3,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.68 : 6,781.74 = 2,212.36 : x
  2. Step 2: Convert to fraction form
    4,520.68/6,781.74 = 2,212.36/x
  3. Step 3: Cross multiply
    4,520.68x = 6,781.74 × 2,212.36
  4. Step 4: Simplify right side
    4,520.68x = 15,003,650.31
  5. Step 5: Solve for x
    x = 15,003,650.31/4,520.68
  6. Step 6: Final answer
    x = 3,318.89

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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.