Home / 8,290.66-12,436.67-3,610.82

Finding the Fourth Proportional to 8,290.66, 12,436.67 and 3,610.82

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Solution

The fourth proportional to 8,290.66, 12,436.67 and 3,610.82 is: 5,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.66 : 12,436.67 = 3,610.82 : x
  2. Step 2: Convert to fraction form
    8,290.66/12,436.67 = 3,610.82/x
  3. Step 3: Cross multiply
    8,290.66x = 12,436.67 × 3,610.82
  4. Step 4: Simplify right side
    8,290.66x = 44,906,558.72
  5. Step 5: Solve for x
    x = 44,906,558.72/8,290.66
  6. Step 6: Final answer
    x = 5,416.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.