Home / 6,279.44-8,664.98-3,627.69

Finding the Fourth Proportional to 6,279.44, 8,664.98 and 3,627.69

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Solution

The fourth proportional to 6,279.44, 8,664.98 and 3,627.69 is: 5,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.44 : 8,664.98 = 3,627.69 : x
  2. Step 2: Convert to fraction form
    6,279.44/8,664.98 = 3,627.69/x
  3. Step 3: Cross multiply
    6,279.44x = 8,664.98 × 3,627.69
  4. Step 4: Simplify right side
    6,279.44x = 31,433,843.16
  5. Step 5: Solve for x
    x = 31,433,843.16/6,279.44
  6. Step 6: Final answer
    x = 5,005.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.