Home / 8,786.42-13,176.32-2,861.76

Finding the Fourth Proportional to 8,786.42, 13,176.32 and 2,861.76

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Solution

The fourth proportional to 8,786.42, 13,176.32 and 2,861.76 is: 4,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.42 : 13,176.32 = 2,861.76 : x
  2. Step 2: Convert to fraction form
    8,786.42/13,176.32 = 2,861.76/x
  3. Step 3: Cross multiply
    8,786.42x = 13,176.32 × 2,861.76
  4. Step 4: Simplify right side
    8,786.42x = 37,707,465.52
  5. Step 5: Solve for x
    x = 37,707,465.52/8,786.42
  6. Step 6: Final answer
    x = 4,291.56

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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.