Home / 9,212.97-12,714.05-5,021.22

Finding the Fourth Proportional to 9,212.97, 12,714.05 and 5,021.22

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Solution

The fourth proportional to 9,212.97, 12,714.05 and 5,021.22 is: 6,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.97 : 12,714.05 = 5,021.22 : x
  2. Step 2: Convert to fraction form
    9,212.97/12,714.05 = 5,021.22/x
  3. Step 3: Cross multiply
    9,212.97x = 12,714.05 × 5,021.22
  4. Step 4: Simplify right side
    9,212.97x = 63,840,042.14
  5. Step 5: Solve for x
    x = 63,840,042.14/9,212.97
  6. Step 6: Final answer
    x = 6,929.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.