Home / 6,991.25-10,486.80-2,060.81

Finding the Fourth Proportional to 6,991.25, 10,486.80 and 2,060.81

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Solution

The fourth proportional to 6,991.25, 10,486.80 and 2,060.81 is: 3,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.25 : 10,486.80 = 2,060.81 : x
  2. Step 2: Convert to fraction form
    6,991.25/10,486.80 = 2,060.81/x
  3. Step 3: Cross multiply
    6,991.25x = 10,486.80 × 2,060.81
  4. Step 4: Simplify right side
    6,991.25x = 21,611,289.20
  5. Step 5: Solve for x
    x = 21,611,289.20/6,991.25
  6. Step 6: Final answer
    x = 3,091.19

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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.