Home / 8,486.46-12,727.17-2,938.37

Finding the Fourth Proportional to 8,486.46, 12,727.17 and 2,938.37

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Solution

The fourth proportional to 8,486.46, 12,727.17 and 2,938.37 is: 4,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.46 : 12,727.17 = 2,938.37 : x
  2. Step 2: Convert to fraction form
    8,486.46/12,727.17 = 2,938.37/x
  3. Step 3: Cross multiply
    8,486.46x = 12,727.17 × 2,938.37
  4. Step 4: Simplify right side
    8,486.46x = 37,397,070.88
  5. Step 5: Solve for x
    x = 37,397,070.88/8,486.46
  6. Step 6: Final answer
    x = 4,406.67

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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.