Home / 4,213.26-6,290.16-3,220.83

Finding the Fourth Proportional to 4,213.26, 6,290.16 and 3,220.83

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Solution

The fourth proportional to 4,213.26, 6,290.16 and 3,220.83 is: 4,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.26 : 6,290.16 = 3,220.83 : x
  2. Step 2: Convert to fraction form
    4,213.26/6,290.16 = 3,220.83/x
  3. Step 3: Cross multiply
    4,213.26x = 6,290.16 × 3,220.83
  4. Step 4: Simplify right side
    4,213.26x = 20,259,536.03
  5. Step 5: Solve for x
    x = 20,259,536.03/4,213.26
  6. Step 6: Final answer
    x = 4,808.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.