Home / 5,825.56-8,039.19-3,172.99

Finding the Fourth Proportional to 5,825.56, 8,039.19 and 3,172.99

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Solution

The fourth proportional to 5,825.56, 8,039.19 and 3,172.99 is: 4,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.56 : 8,039.19 = 3,172.99 : x
  2. Step 2: Convert to fraction form
    5,825.56/8,039.19 = 3,172.99/x
  3. Step 3: Cross multiply
    5,825.56x = 8,039.19 × 3,172.99
  4. Step 4: Simplify right side
    5,825.56x = 25,508,269.48
  5. Step 5: Solve for x
    x = 25,508,269.48/5,825.56
  6. Step 6: Final answer
    x = 4,378.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.