Home / 6,188.11-8,540.07-3,670.78

Finding the Fourth Proportional to 6,188.11, 8,540.07 and 3,670.78

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Solution

The fourth proportional to 6,188.11, 8,540.07 and 3,670.78 is: 5,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.11 : 8,540.07 = 3,670.78 : x
  2. Step 2: Convert to fraction form
    6,188.11/8,540.07 = 3,670.78/x
  3. Step 3: Cross multiply
    6,188.11x = 8,540.07 × 3,670.78
  4. Step 4: Simplify right side
    6,188.11x = 31,348,718.15
  5. Step 5: Solve for x
    x = 31,348,718.15/6,188.11
  6. Step 6: Final answer
    x = 5,065.96

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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.