Home / 5,212.44-7,193.34-2,854.67

Finding the Fourth Proportional to 5,212.44, 7,193.34 and 2,854.67

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Solution

The fourth proportional to 5,212.44, 7,193.34 and 2,854.67 is: 3,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.44 : 7,193.34 = 2,854.67 : x
  2. Step 2: Convert to fraction form
    5,212.44/7,193.34 = 2,854.67/x
  3. Step 3: Cross multiply
    5,212.44x = 7,193.34 × 2,854.67
  4. Step 4: Simplify right side
    5,212.44x = 20,534,611.90
  5. Step 5: Solve for x
    x = 20,534,611.90/5,212.44
  6. Step 6: Final answer
    x = 3,939.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.