Home / 8,629.43-12,944.43-2,388.92

Finding the Fourth Proportional to 8,629.43, 12,944.43 and 2,388.92

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Solution

The fourth proportional to 8,629.43, 12,944.43 and 2,388.92 is: 3,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.43 : 12,944.43 = 2,388.92 : x
  2. Step 2: Convert to fraction form
    8,629.43/12,944.43 = 2,388.92/x
  3. Step 3: Cross multiply
    8,629.43x = 12,944.43 × 2,388.92
  4. Step 4: Simplify right side
    8,629.43x = 30,923,207.72
  5. Step 5: Solve for x
    x = 30,923,207.72/8,629.43
  6. Step 6: Final answer
    x = 3,583.46

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1.5x scale

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.