Home / 4,072.83-5,620.69-3,187.09

Finding the Fourth Proportional to 4,072.83, 5,620.69 and 3,187.09

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Solution

The fourth proportional to 4,072.83, 5,620.69 and 3,187.09 is: 4,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.83 : 5,620.69 = 3,187.09 : x
  2. Step 2: Convert to fraction form
    4,072.83/5,620.69 = 3,187.09/x
  3. Step 3: Cross multiply
    4,072.83x = 5,620.69 × 3,187.09
  4. Step 4: Simplify right side
    4,072.83x = 17,913,637.97
  5. Step 5: Solve for x
    x = 17,913,637.97/4,072.83
  6. Step 6: Final answer
    x = 4,398.33

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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.