Home / 7,273.57-10,909.74-2,889.85

Finding the Fourth Proportional to 7,273.57, 10,909.74 and 2,889.85

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Solution

The fourth proportional to 7,273.57, 10,909.74 and 2,889.85 is: 4,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.57 : 10,909.74 = 2,889.85 : x
  2. Step 2: Convert to fraction form
    7,273.57/10,909.74 = 2,889.85/x
  3. Step 3: Cross multiply
    7,273.57x = 10,909.74 × 2,889.85
  4. Step 4: Simplify right side
    7,273.57x = 31,527,512.14
  5. Step 5: Solve for x
    x = 31,527,512.14/7,273.57
  6. Step 6: Final answer
    x = 4,334.53

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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.