Home / 4,423.76-6,633.52-2,081.78

Finding the Fourth Proportional to 4,423.76, 6,633.52 and 2,081.78

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Solution

The fourth proportional to 4,423.76, 6,633.52 and 2,081.78 is: 3,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.76 : 6,633.52 = 2,081.78 : x
  2. Step 2: Convert to fraction form
    4,423.76/6,633.52 = 2,081.78/x
  3. Step 3: Cross multiply
    4,423.76x = 6,633.52 × 2,081.78
  4. Step 4: Simplify right side
    4,423.76x = 13,809,529.27
  5. Step 5: Solve for x
    x = 13,809,529.27/4,423.76
  6. Step 6: Final answer
    x = 3,121.67

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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.