Home / 6,188.84-8,540.62-3,672.20

Finding the Fourth Proportional to 6,188.84, 8,540.62 and 3,672.20

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Solution

The fourth proportional to 6,188.84, 8,540.62 and 3,672.20 is: 5,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.84 : 8,540.62 = 3,672.20 : x
  2. Step 2: Convert to fraction form
    6,188.84/8,540.62 = 3,672.20/x
  3. Step 3: Cross multiply
    6,188.84x = 8,540.62 × 3,672.20
  4. Step 4: Simplify right side
    6,188.84x = 31,362,822.06
  5. Step 5: Solve for x
    x = 31,362,822.06/6,188.84
  6. Step 6: Final answer
    x = 5,067.64

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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.