Home / 8,285.92-12,429.38-3,355.65

Finding the Fourth Proportional to 8,285.92, 12,429.38 and 3,355.65

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Solution

The fourth proportional to 8,285.92, 12,429.38 and 3,355.65 is: 5,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.92 : 12,429.38 = 3,355.65 : x
  2. Step 2: Convert to fraction form
    8,285.92/12,429.38 = 3,355.65/x
  3. Step 3: Cross multiply
    8,285.92x = 12,429.38 × 3,355.65
  4. Step 4: Simplify right side
    8,285.92x = 41,708,657.39
  5. Step 5: Solve for x
    x = 41,708,657.39/8,285.92
  6. Step 6: Final answer
    x = 5,033.68

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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.