Home / 5,825.28-8,038.83-3,172.68

Finding the Fourth Proportional to 5,825.28, 8,038.83 and 3,172.68

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Solution

The fourth proportional to 5,825.28, 8,038.83 and 3,172.68 is: 4,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.28 : 8,038.83 = 3,172.68 : x
  2. Step 2: Convert to fraction form
    5,825.28/8,038.83 = 3,172.68/x
  3. Step 3: Cross multiply
    5,825.28x = 8,038.83 × 3,172.68
  4. Step 4: Simplify right side
    5,825.28x = 25,504,635.16
  5. Step 5: Solve for x
    x = 25,504,635.16/5,825.28
  6. Step 6: Final answer
    x = 4,378.27

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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.