Home / 6,187.78-8,540.73-4,201.66

Finding the Fourth Proportional to 6,187.78, 8,540.73 and 4,201.66

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Solution

The fourth proportional to 6,187.78, 8,540.73 and 4,201.66 is: 5,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.78 : 8,540.73 = 4,201.66 : x
  2. Step 2: Convert to fraction form
    6,187.78/8,540.73 = 4,201.66/x
  3. Step 3: Cross multiply
    6,187.78x = 8,540.73 × 4,201.66
  4. Step 4: Simplify right side
    6,187.78x = 35,885,243.61
  5. Step 5: Solve for x
    x = 35,885,243.61/6,187.78
  6. Step 6: Final answer
    x = 5,799.37

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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.