Home / 5,245.83-7,871.49-3,396.47

Finding the Fourth Proportional to 5,245.83, 7,871.49 and 3,396.47

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Solution

The fourth proportional to 5,245.83, 7,871.49 and 3,396.47 is: 5,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.83 : 7,871.49 = 3,396.47 : x
  2. Step 2: Convert to fraction form
    5,245.83/7,871.49 = 3,396.47/x
  3. Step 3: Cross multiply
    5,245.83x = 7,871.49 × 3,396.47
  4. Step 4: Simplify right side
    5,245.83x = 26,735,240.28
  5. Step 5: Solve for x
    x = 26,735,240.28/5,245.83
  6. Step 6: Final answer
    x = 5,096.47

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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.