Home / 8,785.31-13,183.16-3,242.54

Finding the Fourth Proportional to 8,785.31, 13,183.16 and 3,242.54

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Solution

The fourth proportional to 8,785.31, 13,183.16 and 3,242.54 is: 4,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.31 : 13,183.16 = 3,242.54 : x
  2. Step 2: Convert to fraction form
    8,785.31/13,183.16 = 3,242.54/x
  3. Step 3: Cross multiply
    8,785.31x = 13,183.16 × 3,242.54
  4. Step 4: Simplify right side
    8,785.31x = 42,746,940.37
  5. Step 5: Solve for x
    x = 42,746,940.37/8,785.31
  6. Step 6: Final answer
    x = 4,865.73

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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.