Home / 7,289.71-10,933.40-2,608.85

Finding the Fourth Proportional to 7,289.71, 10,933.40 and 2,608.85

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Solution

The fourth proportional to 7,289.71, 10,933.40 and 2,608.85 is: 3,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.71 : 10,933.40 = 2,608.85 : x
  2. Step 2: Convert to fraction form
    7,289.71/10,933.40 = 2,608.85/x
  3. Step 3: Cross multiply
    7,289.71x = 10,933.40 × 2,608.85
  4. Step 4: Simplify right side
    7,289.71x = 28,523,573.88
  5. Step 5: Solve for x
    x = 28,523,573.88/7,289.71
  6. Step 6: Final answer
    x = 3,912.85

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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.