Home / 7,277.42-10,912.67-3,327.50

Finding the Fourth Proportional to 7,277.42, 10,912.67 and 3,327.50

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Solution

The fourth proportional to 7,277.42, 10,912.67 and 3,327.50 is: 4,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.42 : 10,912.67 = 3,327.50 : x
  2. Step 2: Convert to fraction form
    7,277.42/10,912.67 = 3,327.50/x
  3. Step 3: Cross multiply
    7,277.42x = 10,912.67 × 3,327.50
  4. Step 4: Simplify right side
    7,277.42x = 36,311,892.79
  5. Step 5: Solve for x
    x = 36,311,892.79/7,277.42
  6. Step 6: Final answer
    x = 4,989.67

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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.