Home / 6,279.62-8,665.84-3,627.26

Finding the Fourth Proportional to 6,279.62, 8,665.84 and 3,627.26

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Solution

The fourth proportional to 6,279.62, 8,665.84 and 3,627.26 is: 5,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.62 : 8,665.84 = 3,627.26 : x
  2. Step 2: Convert to fraction form
    6,279.62/8,665.84 = 3,627.26/x
  3. Step 3: Cross multiply
    6,279.62x = 8,665.84 × 3,627.26
  4. Step 4: Simplify right side
    6,279.62x = 31,433,254.80
  5. Step 5: Solve for x
    x = 31,433,254.80/6,279.62
  6. Step 6: Final answer
    x = 5,005.60

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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.