Home / 4,448.40-6,673.68-1,328.38

Finding the Fourth Proportional to 4,448.40, 6,673.68 and 1,328.38

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Solution

The fourth proportional to 4,448.40, 6,673.68 and 1,328.38 is: 1,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.40 : 6,673.68 = 1,328.38 : x
  2. Step 2: Convert to fraction form
    4,448.40/6,673.68 = 1,328.38/x
  3. Step 3: Cross multiply
    4,448.40x = 6,673.68 × 1,328.38
  4. Step 4: Simplify right side
    4,448.40x = 8,865,183.04
  5. Step 5: Solve for x
    x = 8,865,183.04/4,448.40
  6. Step 6: Final answer
    x = 1,992.89

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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.