Home / 4,471.81-6,709.33-2,161.69

Finding the Fourth Proportional to 4,471.81, 6,709.33 and 2,161.69

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Solution

The fourth proportional to 4,471.81, 6,709.33 and 2,161.69 is: 3,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.81 : 6,709.33 = 2,161.69 : x
  2. Step 2: Convert to fraction form
    4,471.81/6,709.33 = 2,161.69/x
  3. Step 3: Cross multiply
    4,471.81x = 6,709.33 × 2,161.69
  4. Step 4: Simplify right side
    4,471.81x = 14,503,477.50
  5. Step 5: Solve for x
    x = 14,503,477.50/4,471.81
  6. Step 6: Final answer
    x = 3,243.31

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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.