Home / 8,783.92-13,176.81-2,861.27

Finding the Fourth Proportional to 8,783.92, 13,176.81 and 2,861.27

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Solution

The fourth proportional to 8,783.92, 13,176.81 and 2,861.27 is: 4,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.92 : 13,176.81 = 2,861.27 : x
  2. Step 2: Convert to fraction form
    8,783.92/13,176.81 = 2,861.27/x
  3. Step 3: Cross multiply
    8,783.92x = 13,176.81 × 2,861.27
  4. Step 4: Simplify right side
    8,783.92x = 37,702,408.65
  5. Step 5: Solve for x
    x = 37,702,408.65/8,783.92
  6. Step 6: Final answer
    x = 4,292.21

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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.