Home / 8,704.46-13,053.92-2,859.72

Finding the Fourth Proportional to 8,704.46, 13,053.92 and 2,859.72

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Solution

The fourth proportional to 8,704.46, 13,053.92 and 2,859.72 is: 4,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.46 : 13,053.92 = 2,859.72 : x
  2. Step 2: Convert to fraction form
    8,704.46/13,053.92 = 2,859.72/x
  3. Step 3: Cross multiply
    8,704.46x = 13,053.92 × 2,859.72
  4. Step 4: Simplify right side
    8,704.46x = 37,330,556.10
  5. Step 5: Solve for x
    x = 37,330,556.10/8,704.46
  6. Step 6: Final answer
    x = 4,288.67

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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.