Home / 7,215.94-10,825.73-2,021.81

Finding the Fourth Proportional to 7,215.94, 10,825.73 and 2,021.81

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Solution

The fourth proportional to 7,215.94, 10,825.73 and 2,021.81 is: 3,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.94 : 10,825.73 = 2,021.81 : x
  2. Step 2: Convert to fraction form
    7,215.94/10,825.73 = 2,021.81/x
  3. Step 3: Cross multiply
    7,215.94x = 10,825.73 × 2,021.81
  4. Step 4: Simplify right side
    7,215.94x = 21,887,593.71
  5. Step 5: Solve for x
    x = 21,887,593.71/7,215.94
  6. Step 6: Final answer
    x = 3,033.23

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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.