Home / 6,668.19-10,001.31-2,721.15

Finding the Fourth Proportional to 6,668.19, 10,001.31 and 2,721.15

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Solution

The fourth proportional to 6,668.19, 10,001.31 and 2,721.15 is: 4,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.19 : 10,001.31 = 2,721.15 : x
  2. Step 2: Convert to fraction form
    6,668.19/10,001.31 = 2,721.15/x
  3. Step 3: Cross multiply
    6,668.19x = 10,001.31 × 2,721.15
  4. Step 4: Simplify right side
    6,668.19x = 27,215,064.71
  5. Step 5: Solve for x
    x = 27,215,064.71/6,668.19
  6. Step 6: Final answer
    x = 4,081.33

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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.