Home / 5,222.54-7,833.78-1,326.94

Finding the Fourth Proportional to 5,222.54, 7,833.78 and 1,326.94

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Solution

The fourth proportional to 5,222.54, 7,833.78 and 1,326.94 is: 1,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.54 : 7,833.78 = 1,326.94 : x
  2. Step 2: Convert to fraction form
    5,222.54/7,833.78 = 1,326.94/x
  3. Step 3: Cross multiply
    5,222.54x = 7,833.78 × 1,326.94
  4. Step 4: Simplify right side
    5,222.54x = 10,394,956.03
  5. Step 5: Solve for x
    x = 10,394,956.03/5,222.54
  6. Step 6: Final answer
    x = 1,990.40

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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.