Home / 4,828.70-7,243.05-3,419.30

Finding the Fourth Proportional to 4,828.70, 7,243.05 and 3,419.30

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Solution

The fourth proportional to 4,828.70, 7,243.05 and 3,419.30 is: 5,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.70 : 7,243.05 = 3,419.30 : x
  2. Step 2: Convert to fraction form
    4,828.70/7,243.05 = 3,419.30/x
  3. Step 3: Cross multiply
    4,828.70x = 7,243.05 × 3,419.30
  4. Step 4: Simplify right side
    4,828.70x = 24,766,160.87
  5. Step 5: Solve for x
    x = 24,766,160.87/4,828.70
  6. Step 6: Final answer
    x = 5,128.95

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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.