Home / 4,448.32-6,639.89-3,922.85

Finding the Fourth Proportional to 4,448.32, 6,639.89 and 3,922.85

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Solution

The fourth proportional to 4,448.32, 6,639.89 and 3,922.85 is: 5,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.32 : 6,639.89 = 3,922.85 : x
  2. Step 2: Convert to fraction form
    4,448.32/6,639.89 = 3,922.85/x
  3. Step 3: Cross multiply
    4,448.32x = 6,639.89 × 3,922.85
  4. Step 4: Simplify right side
    4,448.32x = 26,047,289.47
  5. Step 5: Solve for x
    x = 26,047,289.47/4,448.32
  6. Step 6: Final answer
    x = 5,855.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.