Home / 8,115.80-12,166.14-3,736.76

Finding the Fourth Proportional to 8,115.80, 12,166.14 and 3,736.76

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Solution

The fourth proportional to 8,115.80, 12,166.14 and 3,736.76 is: 5,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.80 : 12,166.14 = 3,736.76 : x
  2. Step 2: Convert to fraction form
    8,115.80/12,166.14 = 3,736.76/x
  3. Step 3: Cross multiply
    8,115.80x = 12,166.14 × 3,736.76
  4. Step 4: Simplify right side
    8,115.80x = 45,461,945.31
  5. Step 5: Solve for x
    x = 45,461,945.31/8,115.80
  6. Step 6: Final answer
    x = 5,601.66

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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.