Home / 6,828.38-10,242.78-2,668.22

Finding the Fourth Proportional to 6,828.38, 10,242.78 and 2,668.22

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Solution

The fourth proportional to 6,828.38, 10,242.78 and 2,668.22 is: 4,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.38 : 10,242.78 = 2,668.22 : x
  2. Step 2: Convert to fraction form
    6,828.38/10,242.78 = 2,668.22/x
  3. Step 3: Cross multiply
    6,828.38x = 10,242.78 × 2,668.22
  4. Step 4: Simplify right side
    6,828.38x = 27,329,990.45
  5. Step 5: Solve for x
    x = 27,329,990.45/6,828.38
  6. Step 6: Final answer
    x = 4,002.41

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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.