Home / 5,144.45-7,718.02-2,224.80

Finding the Fourth Proportional to 5,144.45, 7,718.02 and 2,224.80

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Solution

The fourth proportional to 5,144.45, 7,718.02 and 2,224.80 is: 3,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.45 : 7,718.02 = 2,224.80 : x
  2. Step 2: Convert to fraction form
    5,144.45/7,718.02 = 2,224.80/x
  3. Step 3: Cross multiply
    5,144.45x = 7,718.02 × 2,224.80
  4. Step 4: Simplify right side
    5,144.45x = 17,171,045.33
  5. Step 5: Solve for x
    x = 17,171,045.33/5,144.45
  6. Step 6: Final answer
    x = 3,337.78

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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.