Home / 7,825.14-11,735.66-2,896.20

Finding the Fourth Proportional to 7,825.14, 11,735.66 and 2,896.20

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Solution

The fourth proportional to 7,825.14, 11,735.66 and 2,896.20 is: 4,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.14 : 11,735.66 = 2,896.20 : x
  2. Step 2: Convert to fraction form
    7,825.14/11,735.66 = 2,896.20/x
  3. Step 3: Cross multiply
    7,825.14x = 11,735.66 × 2,896.20
  4. Step 4: Simplify right side
    7,825.14x = 33,988,818.49
  5. Step 5: Solve for x
    x = 33,988,818.49/7,825.14
  6. Step 6: Final answer
    x = 4,343.54

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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.