Home / 5,183.28-7,152.84-2,825.28

Finding the Fourth Proportional to 5,183.28, 7,152.84 and 2,825.28

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Solution

The fourth proportional to 5,183.28, 7,152.84 and 2,825.28 is: 3,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.28 : 7,152.84 = 2,825.28 : x
  2. Step 2: Convert to fraction form
    5,183.28/7,152.84 = 2,825.28/x
  3. Step 3: Cross multiply
    5,183.28x = 7,152.84 × 2,825.28
  4. Step 4: Simplify right side
    5,183.28x = 20,208,775.80
  5. Step 5: Solve for x
    x = 20,208,775.80/5,183.28
  6. Step 6: Final answer
    x = 3,898.84

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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.