Home / 5,911.56-8,861.18-2,212.18

Finding the Fourth Proportional to 5,911.56, 8,861.18 and 2,212.18

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Solution

The fourth proportional to 5,911.56, 8,861.18 and 2,212.18 is: 3,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.56 : 8,861.18 = 2,212.18 : x
  2. Step 2: Convert to fraction form
    5,911.56/8,861.18 = 2,212.18/x
  3. Step 3: Cross multiply
    5,911.56x = 8,861.18 × 2,212.18
  4. Step 4: Simplify right side
    5,911.56x = 19,602,491.96
  5. Step 5: Solve for x
    x = 19,602,491.96/5,911.56
  6. Step 6: Final answer
    x = 3,315.96

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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.