Home / 6,990.29-10,485.43-2,608.19

Finding the Fourth Proportional to 6,990.29, 10,485.43 and 2,608.19

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Solution

The fourth proportional to 6,990.29, 10,485.43 and 2,608.19 is: 3,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.29 : 10,485.43 = 2,608.19 : x
  2. Step 2: Convert to fraction form
    6,990.29/10,485.43 = 2,608.19/x
  3. Step 3: Cross multiply
    6,990.29x = 10,485.43 × 2,608.19
  4. Step 4: Simplify right side
    6,990.29x = 27,347,993.67
  5. Step 5: Solve for x
    x = 27,347,993.67/6,990.29
  6. Step 6: Final answer
    x = 3,912.28

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Similar ratio
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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.