Home / 8,185.56-12,279.66-3,255.24

Finding the Fourth Proportional to 8,185.56, 12,279.66 and 3,255.24

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Solution

The fourth proportional to 8,185.56, 12,279.66 and 3,255.24 is: 4,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.56 : 12,279.66 = 3,255.24 : x
  2. Step 2: Convert to fraction form
    8,185.56/12,279.66 = 3,255.24/x
  3. Step 3: Cross multiply
    8,185.56x = 12,279.66 × 3,255.24
  4. Step 4: Simplify right side
    8,185.56x = 39,973,240.42
  5. Step 5: Solve for x
    x = 39,973,240.42/8,185.56
  6. Step 6: Final answer
    x = 4,883.38

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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.