Home / 8,706.46-13,056.92-2,861.72

Finding the Fourth Proportional to 8,706.46, 13,056.92 and 2,861.72

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Solution

The fourth proportional to 8,706.46, 13,056.92 and 2,861.72 is: 4,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.46 : 13,056.92 = 2,861.72 : x
  2. Step 2: Convert to fraction form
    8,706.46/13,056.92 = 2,861.72/x
  3. Step 3: Cross multiply
    8,706.46x = 13,056.92 × 2,861.72
  4. Step 4: Simplify right side
    8,706.46x = 37,365,249.10
  5. Step 5: Solve for x
    x = 37,365,249.10/8,706.46
  6. Step 6: Final answer
    x = 4,291.67

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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.