Home / 4,448.63-6,139.55-3,821.23

Finding the Fourth Proportional to 4,448.63, 6,139.55 and 3,821.23

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Solution

The fourth proportional to 4,448.63, 6,139.55 and 3,821.23 is: 5,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.63 : 6,139.55 = 3,821.23 : x
  2. Step 2: Convert to fraction form
    4,448.63/6,139.55 = 3,821.23/x
  3. Step 3: Cross multiply
    4,448.63x = 6,139.55 × 3,821.23
  4. Step 4: Simplify right side
    4,448.63x = 23,460,626.85
  5. Step 5: Solve for x
    x = 23,460,626.85/4,448.63
  6. Step 6: Final answer
    x = 5,273.67

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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.