Home / 7,693.22-11,538.60-2,145.98

Finding the Fourth Proportional to 7,693.22, 11,538.60 and 2,145.98

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Solution

The fourth proportional to 7,693.22, 11,538.60 and 2,145.98 is: 3,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.22 : 11,538.60 = 2,145.98 : x
  2. Step 2: Convert to fraction form
    7,693.22/11,538.60 = 2,145.98/x
  3. Step 3: Cross multiply
    7,693.22x = 11,538.60 × 2,145.98
  4. Step 4: Simplify right side
    7,693.22x = 24,761,604.83
  5. Step 5: Solve for x
    x = 24,761,604.83/7,693.22
  6. Step 6: Final answer
    x = 3,218.63

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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.