Home / 7,804.96-11,707.44-1,961.56

Finding the Fourth Proportional to 7,804.96, 11,707.44 and 1,961.56

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Solution

The fourth proportional to 7,804.96, 11,707.44 and 1,961.56 is: 2,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.96 : 11,707.44 = 1,961.56 : x
  2. Step 2: Convert to fraction form
    7,804.96/11,707.44 = 1,961.56/x
  3. Step 3: Cross multiply
    7,804.96x = 11,707.44 × 1,961.56
  4. Step 4: Simplify right side
    7,804.96x = 22,964,846.01
  5. Step 5: Solve for x
    x = 22,964,846.01/7,804.96
  6. Step 6: Final answer
    x = 2,942.34

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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.