Home / 7,099.23-9,796.74-3,912.54

Finding the Fourth Proportional to 7,099.23, 9,796.74 and 3,912.54

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Solution

The fourth proportional to 7,099.23, 9,796.74 and 3,912.54 is: 5,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.23 : 9,796.74 = 3,912.54 : x
  2. Step 2: Convert to fraction form
    7,099.23/9,796.74 = 3,912.54/x
  3. Step 3: Cross multiply
    7,099.23x = 9,796.74 × 3,912.54
  4. Step 4: Simplify right side
    7,099.23x = 38,330,137.12
  5. Step 5: Solve for x
    x = 38,330,137.12/7,099.23
  6. Step 6: Final answer
    x = 5,399.20

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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.