Home / 6,668.12-10,002.42-5,110.97

Finding the Fourth Proportional to 6,668.12, 10,002.42 and 5,110.97

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Solution

The fourth proportional to 6,668.12, 10,002.42 and 5,110.97 is: 7,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.12 : 10,002.42 = 5,110.97 : x
  2. Step 2: Convert to fraction form
    6,668.12/10,002.42 = 5,110.97/x
  3. Step 3: Cross multiply
    6,668.12x = 10,002.42 × 5,110.97
  4. Step 4: Simplify right side
    6,668.12x = 51,122,018.54
  5. Step 5: Solve for x
    x = 51,122,018.54/6,668.12
  6. Step 6: Final answer
    x = 7,666.63

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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.