Home / 8,107.42-11,183.77-5,081.89

Finding the Fourth Proportional to 8,107.42, 11,183.77 and 5,081.89

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Solution

The fourth proportional to 8,107.42, 11,183.77 and 5,081.89 is: 7,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.42 : 11,183.77 = 5,081.89 : x
  2. Step 2: Convert to fraction form
    8,107.42/11,183.77 = 5,081.89/x
  3. Step 3: Cross multiply
    8,107.42x = 11,183.77 × 5,081.89
  4. Step 4: Simplify right side
    8,107.42x = 56,834,688.29
  5. Step 5: Solve for x
    x = 56,834,688.29/8,107.42
  6. Step 6: Final answer
    x = 7,010.21

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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.