Home / 8,105.63-11,183.04-6,610.95

Finding the Fourth Proportional to 8,105.63, 11,183.04 and 6,610.95

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Solution

The fourth proportional to 8,105.63, 11,183.04 and 6,610.95 is: 9,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.63 : 11,183.04 = 6,610.95 : x
  2. Step 2: Convert to fraction form
    8,105.63/11,183.04 = 6,610.95/x
  3. Step 3: Cross multiply
    8,105.63x = 11,183.04 × 6,610.95
  4. Step 4: Simplify right side
    8,105.63x = 73,930,518.29
  5. Step 5: Solve for x
    x = 73,930,518.29/8,105.63
  6. Step 6: Final answer
    x = 9,120.89

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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.