Home / 5,999.50-8,279.31-3,310.65

Finding the Fourth Proportional to 5,999.50, 8,279.31 and 3,310.65

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Solution

The fourth proportional to 5,999.50, 8,279.31 and 3,310.65 is: 4,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.50 : 8,279.31 = 3,310.65 : x
  2. Step 2: Convert to fraction form
    5,999.50/8,279.31 = 3,310.65/x
  3. Step 3: Cross multiply
    5,999.50x = 8,279.31 × 3,310.65
  4. Step 4: Simplify right side
    5,999.50x = 27,409,897.65
  5. Step 5: Solve for x
    x = 27,409,897.65/5,999.50
  6. Step 6: Final answer
    x = 4,568.70

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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.