Home / 8,745.43-13,120.70-2,823.23

Finding the Fourth Proportional to 8,745.43, 13,120.70 and 2,823.23

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Solution

The fourth proportional to 8,745.43, 13,120.70 and 2,823.23 is: 4,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.43 : 13,120.70 = 2,823.23 : x
  2. Step 2: Convert to fraction form
    8,745.43/13,120.70 = 2,823.23/x
  3. Step 3: Cross multiply
    8,745.43x = 13,120.70 × 2,823.23
  4. Step 4: Simplify right side
    8,745.43x = 37,042,751.53
  5. Step 5: Solve for x
    x = 37,042,751.53/8,745.43
  6. Step 6: Final answer
    x = 4,235.67

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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.