Home / 5,183-7,152.55-2,825.15

Finding the Fourth Proportional to 5,183, 7,152.55 and 2,825.15

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Solution

The fourth proportional to 5,183, 7,152.55 and 2,825.15 is: 3,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183 : 7,152.55 = 2,825.15 : x
  2. Step 2: Convert to fraction form
    5,183/7,152.55 = 2,825.15/x
  3. Step 3: Cross multiply
    5,183x = 7,152.55 × 2,825.15
  4. Step 4: Simplify right side
    5,183x = 20,207,012.51
  5. Step 5: Solve for x
    x = 20,207,012.51/5,183
  6. Step 6: Final answer
    x = 3,898.71

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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.