Home / 5,825.38-8,039.02-3,172.62

Finding the Fourth Proportional to 5,825.38, 8,039.02 and 3,172.62

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Solution

The fourth proportional to 5,825.38, 8,039.02 and 3,172.62 is: 4,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.38 : 8,039.02 = 3,172.62 : x
  2. Step 2: Convert to fraction form
    5,825.38/8,039.02 = 3,172.62/x
  3. Step 3: Cross multiply
    5,825.38x = 8,039.02 × 3,172.62
  4. Step 4: Simplify right side
    5,825.38x = 25,504,755.63
  5. Step 5: Solve for x
    x = 25,504,755.63/5,825.38
  6. Step 6: Final answer
    x = 4,378.21

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1.5x scale

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.