Home / 7,428.35-11,141.33-2,750.58

Finding the Fourth Proportional to 7,428.35, 11,141.33 and 2,750.58

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Solution

The fourth proportional to 7,428.35, 11,141.33 and 2,750.58 is: 4,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.35 : 11,141.33 = 2,750.58 : x
  2. Step 2: Convert to fraction form
    7,428.35/11,141.33 = 2,750.58/x
  3. Step 3: Cross multiply
    7,428.35x = 11,141.33 × 2,750.58
  4. Step 4: Simplify right side
    7,428.35x = 30,645,105.72
  5. Step 5: Solve for x
    x = 30,645,105.72/7,428.35
  6. Step 6: Final answer
    x = 4,125.43

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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.