Home / 7,519.94-11,273.82-3,140.67

Finding the Fourth Proportional to 7,519.94, 11,273.82 and 3,140.67

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Solution

The fourth proportional to 7,519.94, 11,273.82 and 3,140.67 is: 4,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.94 : 11,273.82 = 3,140.67 : x
  2. Step 2: Convert to fraction form
    7,519.94/11,273.82 = 3,140.67/x
  3. Step 3: Cross multiply
    7,519.94x = 11,273.82 × 3,140.67
  4. Step 4: Simplify right side
    7,519.94x = 35,407,348.26
  5. Step 5: Solve for x
    x = 35,407,348.26/7,519.94
  6. Step 6: Final answer
    x = 4,708.46

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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.