Home / 4,222.73-5,828.16-2,784.56

Finding the Fourth Proportional to 4,222.73, 5,828.16 and 2,784.56

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Solution

The fourth proportional to 4,222.73, 5,828.16 and 2,784.56 is: 3,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.73 : 5,828.16 = 2,784.56 : x
  2. Step 2: Convert to fraction form
    4,222.73/5,828.16 = 2,784.56/x
  3. Step 3: Cross multiply
    4,222.73x = 5,828.16 × 2,784.56
  4. Step 4: Simplify right side
    4,222.73x = 16,228,832.07
  5. Step 5: Solve for x
    x = 16,228,832.07/4,222.73
  6. Step 6: Final answer
    x = 3,843.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.