Home / 4,120.45-6,180.71-3,297.67

Finding the Fourth Proportional to 4,120.45, 6,180.71 and 3,297.67

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Solution

The fourth proportional to 4,120.45, 6,180.71 and 3,297.67 is: 4,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.45 : 6,180.71 = 3,297.67 : x
  2. Step 2: Convert to fraction form
    4,120.45/6,180.71 = 3,297.67/x
  3. Step 3: Cross multiply
    4,120.45x = 6,180.71 × 3,297.67
  4. Step 4: Simplify right side
    4,120.45x = 20,381,941.95
  5. Step 5: Solve for x
    x = 20,381,941.95/4,120.45
  6. Step 6: Final answer
    x = 4,946.53

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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.