Home / 5,112.24-7,668.43-1,825.53

Finding the Fourth Proportional to 5,112.24, 7,668.43 and 1,825.53

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Solution

The fourth proportional to 5,112.24, 7,668.43 and 1,825.53 is: 2,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.24 : 7,668.43 = 1,825.53 : x
  2. Step 2: Convert to fraction form
    5,112.24/7,668.43 = 1,825.53/x
  3. Step 3: Cross multiply
    5,112.24x = 7,668.43 × 1,825.53
  4. Step 4: Simplify right side
    5,112.24x = 13,998,944.45
  5. Step 5: Solve for x
    x = 13,998,944.45/5,112.24
  6. Step 6: Final answer
    x = 2,738.32

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1.5x scale

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.