Home / 4,448.34-6,668.19-2,138.58

Finding the Fourth Proportional to 4,448.34, 6,668.19 and 2,138.58

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Solution

The fourth proportional to 4,448.34, 6,668.19 and 2,138.58 is: 3,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.34 : 6,668.19 = 2,138.58 : x
  2. Step 2: Convert to fraction form
    4,448.34/6,668.19 = 2,138.58/x
  3. Step 3: Cross multiply
    4,448.34x = 6,668.19 × 2,138.58
  4. Step 4: Simplify right side
    4,448.34x = 14,260,457.77
  5. Step 5: Solve for x
    x = 14,260,457.77/4,448.34
  6. Step 6: Final answer
    x = 3,205.79

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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.