Home / 7,285.75-10,927.71-2,021.15

Finding the Fourth Proportional to 7,285.75, 10,927.71 and 2,021.15

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Solution

The fourth proportional to 7,285.75, 10,927.71 and 2,021.15 is: 3,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.75 : 10,927.71 = 2,021.15 : x
  2. Step 2: Convert to fraction form
    7,285.75/10,927.71 = 2,021.15/x
  3. Step 3: Cross multiply
    7,285.75x = 10,927.71 × 2,021.15
  4. Step 4: Simplify right side
    7,285.75x = 22,086,568.39
  5. Step 5: Solve for x
    x = 22,086,568.39/7,285.75
  6. Step 6: Final answer
    x = 3,031.48

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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.