Home / 8,425.22-12,636.74-2,581.34

Finding the Fourth Proportional to 8,425.22, 12,636.74 and 2,581.34

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Solution

The fourth proportional to 8,425.22, 12,636.74 and 2,581.34 is: 3,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.22 : 12,636.74 = 2,581.34 : x
  2. Step 2: Convert to fraction form
    8,425.22/12,636.74 = 2,581.34/x
  3. Step 3: Cross multiply
    8,425.22x = 12,636.74 × 2,581.34
  4. Step 4: Simplify right side
    8,425.22x = 32,619,665.70
  5. Step 5: Solve for x
    x = 32,619,665.70/8,425.22
  6. Step 6: Final answer
    x = 3,871.67

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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.