Home / 7,214.88-10,822.74-2,021.16

Finding the Fourth Proportional to 7,214.88, 10,822.74 and 2,021.16

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Solution

The fourth proportional to 7,214.88, 10,822.74 and 2,021.16 is: 3,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.88 : 10,822.74 = 2,021.16 : x
  2. Step 2: Convert to fraction form
    7,214.88/10,822.74 = 2,021.16/x
  3. Step 3: Cross multiply
    7,214.88x = 10,822.74 × 2,021.16
  4. Step 4: Simplify right side
    7,214.88x = 21,874,489.18
  5. Step 5: Solve for x
    x = 21,874,489.18/7,214.88
  6. Step 6: Final answer
    x = 3,031.86

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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.