Home / 6,823.92-10,223.52-3,129.24

Finding the Fourth Proportional to 6,823.92, 10,223.52 and 3,129.24

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Solution

The fourth proportional to 6,823.92, 10,223.52 and 3,129.24 is: 4,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.92 : 10,223.52 = 3,129.24 : x
  2. Step 2: Convert to fraction form
    6,823.92/10,223.52 = 3,129.24/x
  3. Step 3: Cross multiply
    6,823.92x = 10,223.52 × 3,129.24
  4. Step 4: Simplify right side
    6,823.92x = 31,991,847.72
  5. Step 5: Solve for x
    x = 31,991,847.72/6,823.92
  6. Step 6: Final answer
    x = 4,688.19

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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.