Home / 5,113-7,664.92-1,825.62

Finding the Fourth Proportional to 5,113, 7,664.92 and 1,825.62

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Solution

The fourth proportional to 5,113, 7,664.92 and 1,825.62 is: 2,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113 : 7,664.92 = 1,825.62 : x
  2. Step 2: Convert to fraction form
    5,113/7,664.92 = 1,825.62/x
  3. Step 3: Cross multiply
    5,113x = 7,664.92 × 1,825.62
  4. Step 4: Simplify right side
    5,113x = 13,993,231.25
  5. Step 5: Solve for x
    x = 13,993,231.25/5,113
  6. Step 6: Final answer
    x = 2,736.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.