Home / 8,694.48-13,041.62-3,145.72

Finding the Fourth Proportional to 8,694.48, 13,041.62 and 3,145.72

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Solution

The fourth proportional to 8,694.48, 13,041.62 and 3,145.72 is: 4,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.48 : 13,041.62 = 3,145.72 : x
  2. Step 2: Convert to fraction form
    8,694.48/13,041.62 = 3,145.72/x
  3. Step 3: Cross multiply
    8,694.48x = 13,041.62 × 3,145.72
  4. Step 4: Simplify right side
    8,694.48x = 41,025,284.87
  5. Step 5: Solve for x
    x = 41,025,284.87/8,694.48
  6. Step 6: Final answer
    x = 4,718.54

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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.