Home / 6,912.57-10,360.76-3,206.96

Finding the Fourth Proportional to 6,912.57, 10,360.76 and 3,206.96

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Solution

The fourth proportional to 6,912.57, 10,360.76 and 3,206.96 is: 4,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.57 : 10,360.76 = 3,206.96 : x
  2. Step 2: Convert to fraction form
    6,912.57/10,360.76 = 3,206.96/x
  3. Step 3: Cross multiply
    6,912.57x = 10,360.76 × 3,206.96
  4. Step 4: Simplify right side
    6,912.57x = 33,226,475.05
  5. Step 5: Solve for x
    x = 33,226,475.05/6,912.57
  6. Step 6: Final answer
    x = 4,806.67

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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.