Home / 7,743.78-11,604.33-3,840.39

Finding the Fourth Proportional to 7,743.78, 11,604.33 and 3,840.39

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Solution

The fourth proportional to 7,743.78, 11,604.33 and 3,840.39 is: 5,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.78 : 11,604.33 = 3,840.39 : x
  2. Step 2: Convert to fraction form
    7,743.78/11,604.33 = 3,840.39/x
  3. Step 3: Cross multiply
    7,743.78x = 11,604.33 × 3,840.39
  4. Step 4: Simplify right side
    7,743.78x = 44,565,152.89
  5. Step 5: Solve for x
    x = 44,565,152.89/7,743.78
  6. Step 6: Final answer
    x = 5,754.96

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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.