Home / 6,218.07-8,580.44-3,949.23

Finding the Fourth Proportional to 6,218.07, 8,580.44 and 3,949.23

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Solution

The fourth proportional to 6,218.07, 8,580.44 and 3,949.23 is: 5,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.07 : 8,580.44 = 3,949.23 : x
  2. Step 2: Convert to fraction form
    6,218.07/8,580.44 = 3,949.23/x
  3. Step 3: Cross multiply
    6,218.07x = 8,580.44 × 3,949.23
  4. Step 4: Simplify right side
    6,218.07x = 33,886,131.06
  5. Step 5: Solve for x
    x = 33,886,131.06/6,218.07
  6. Step 6: Final answer
    x = 5,449.62

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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.