Home / 7,830.27-11,745.43-2,283.75

Finding the Fourth Proportional to 7,830.27, 11,745.43 and 2,283.75

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Solution

The fourth proportional to 7,830.27, 11,745.43 and 2,283.75 is: 3,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.27 : 11,745.43 = 2,283.75 : x
  2. Step 2: Convert to fraction form
    7,830.27/11,745.43 = 2,283.75/x
  3. Step 3: Cross multiply
    7,830.27x = 11,745.43 × 2,283.75
  4. Step 4: Simplify right side
    7,830.27x = 26,823,620.05
  5. Step 5: Solve for x
    x = 26,823,620.05/7,830.27
  6. Step 6: Final answer
    x = 3,425.63

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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.