Home / 4,500.35-6,738.98-3,111.77

Finding the Fourth Proportional to 4,500.35, 6,738.98 and 3,111.77

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Solution

The fourth proportional to 4,500.35, 6,738.98 and 3,111.77 is: 4,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.35 : 6,738.98 = 3,111.77 : x
  2. Step 2: Convert to fraction form
    4,500.35/6,738.98 = 3,111.77/x
  3. Step 3: Cross multiply
    4,500.35x = 6,738.98 × 3,111.77
  4. Step 4: Simplify right side
    4,500.35x = 20,970,106.54
  5. Step 5: Solve for x
    x = 20,970,106.54/4,500.35
  6. Step 6: Final answer
    x = 4,659.67

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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.