Home / 7,944.81-11,912.54-3,014.79

Finding the Fourth Proportional to 7,944.81, 11,912.54 and 3,014.79

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Solution

The fourth proportional to 7,944.81, 11,912.54 and 3,014.79 is: 4,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.81 : 11,912.54 = 3,014.79 : x
  2. Step 2: Convert to fraction form
    7,944.81/11,912.54 = 3,014.79/x
  3. Step 3: Cross multiply
    7,944.81x = 11,912.54 × 3,014.79
  4. Step 4: Simplify right side
    7,944.81x = 35,913,806.28
  5. Step 5: Solve for x
    x = 35,913,806.28/7,944.81
  6. Step 6: Final answer
    x = 4,520.41

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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.