Home / 8,629.03-12,934.84-3,360.75

Finding the Fourth Proportional to 8,629.03, 12,934.84 and 3,360.75

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Solution

The fourth proportional to 8,629.03, 12,934.84 and 3,360.75 is: 5,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.03 : 12,934.84 = 3,360.75 : x
  2. Step 2: Convert to fraction form
    8,629.03/12,934.84 = 3,360.75/x
  3. Step 3: Cross multiply
    8,629.03x = 12,934.84 × 3,360.75
  4. Step 4: Simplify right side
    8,629.03x = 43,470,682.05
  5. Step 5: Solve for x
    x = 43,470,682.05/8,629.03
  6. Step 6: Final answer
    x = 5,037.73

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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.