Home / 8,323.26-12,481.83-3,390.22

Finding the Fourth Proportional to 8,323.26, 12,481.83 and 3,390.22

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Solution

The fourth proportional to 8,323.26, 12,481.83 and 3,390.22 is: 5,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.26 : 12,481.83 = 3,390.22 : x
  2. Step 2: Convert to fraction form
    8,323.26/12,481.83 = 3,390.22/x
  3. Step 3: Cross multiply
    8,323.26x = 12,481.83 × 3,390.22
  4. Step 4: Simplify right side
    8,323.26x = 42,316,149.70
  5. Step 5: Solve for x
    x = 42,316,149.70/8,323.26
  6. Step 6: Final answer
    x = 5,084.08

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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.