Home / 8,940.30-13,409.85-3,673.94

Finding the Fourth Proportional to 8,940.30, 13,409.85 and 3,673.94

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Solution

The fourth proportional to 8,940.30, 13,409.85 and 3,673.94 is: 5,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.30 : 13,409.85 = 3,673.94 : x
  2. Step 2: Convert to fraction form
    8,940.30/13,409.85 = 3,673.94/x
  3. Step 3: Cross multiply
    8,940.30x = 13,409.85 × 3,673.94
  4. Step 4: Simplify right side
    8,940.30x = 49,267,014.39
  5. Step 5: Solve for x
    x = 49,267,014.39/8,940.30
  6. Step 6: Final answer
    x = 5,510.67

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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.