Home / 5,828.56-8,742.78-3,489.22

Finding the Fourth Proportional to 5,828.56, 8,742.78 and 3,489.22

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Solution

The fourth proportional to 5,828.56, 8,742.78 and 3,489.22 is: 5,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.56 : 8,742.78 = 3,489.22 : x
  2. Step 2: Convert to fraction form
    5,828.56/8,742.78 = 3,489.22/x
  3. Step 3: Cross multiply
    5,828.56x = 8,742.78 × 3,489.22
  4. Step 4: Simplify right side
    5,828.56x = 30,505,493.76
  5. Step 5: Solve for x
    x = 30,505,493.76/5,828.56
  6. Step 6: Final answer
    x = 5,233.80

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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.