Home / 7,221.81-10,833.32-2,541.33

Finding the Fourth Proportional to 7,221.81, 10,833.32 and 2,541.33

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Solution

The fourth proportional to 7,221.81, 10,833.32 and 2,541.33 is: 3,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.81 : 10,833.32 = 2,541.33 : x
  2. Step 2: Convert to fraction form
    7,221.81/10,833.32 = 2,541.33/x
  3. Step 3: Cross multiply
    7,221.81x = 10,833.32 × 2,541.33
  4. Step 4: Simplify right side
    7,221.81x = 27,530,986.95
  5. Step 5: Solve for x
    x = 27,530,986.95/7,221.81
  6. Step 6: Final answer
    x = 3,812.20

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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.