Home / 7,664.06-11,485.46-3,493.88

Finding the Fourth Proportional to 7,664.06, 11,485.46 and 3,493.88

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Solution

The fourth proportional to 7,664.06, 11,485.46 and 3,493.88 is: 5,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.06 : 11,485.46 = 3,493.88 : x
  2. Step 2: Convert to fraction form
    7,664.06/11,485.46 = 3,493.88/x
  3. Step 3: Cross multiply
    7,664.06x = 11,485.46 × 3,493.88
  4. Step 4: Simplify right side
    7,664.06x = 40,128,744.09
  5. Step 5: Solve for x
    x = 40,128,744.09/7,664.06
  6. Step 6: Final answer
    x = 5,235.97

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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.