Home / 4,222.72-6,329.62-2,144.26

Finding the Fourth Proportional to 4,222.72, 6,329.62 and 2,144.26

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Solution

The fourth proportional to 4,222.72, 6,329.62 and 2,144.26 is: 3,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.72 : 6,329.62 = 2,144.26 : x
  2. Step 2: Convert to fraction form
    4,222.72/6,329.62 = 2,144.26/x
  3. Step 3: Cross multiply
    4,222.72x = 6,329.62 × 2,144.26
  4. Step 4: Simplify right side
    4,222.72x = 13,572,350.98
  5. Step 5: Solve for x
    x = 13,572,350.98/4,222.72
  6. Step 6: Final answer
    x = 3,214.13

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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.