Home / 8,319.26-12,481.83-5,195.65

Finding the Fourth Proportional to 8,319.26, 12,481.83 and 5,195.65

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Solution

The fourth proportional to 8,319.26, 12,481.83 and 5,195.65 is: 7,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.26 : 12,481.83 = 5,195.65 : x
  2. Step 2: Convert to fraction form
    8,319.26/12,481.83 = 5,195.65/x
  3. Step 3: Cross multiply
    8,319.26x = 12,481.83 × 5,195.65
  4. Step 4: Simplify right side
    8,319.26x = 64,851,220.04
  5. Step 5: Solve for x
    x = 64,851,220.04/8,319.26
  6. Step 6: Final answer
    x = 7,795.31

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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.