Home / 4,954.92-7,428.40-3,391.08

Finding the Fourth Proportional to 4,954.92, 7,428.40 and 3,391.08

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Solution

The fourth proportional to 4,954.92, 7,428.40 and 3,391.08 is: 5,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.92 : 7,428.40 = 3,391.08 : x
  2. Step 2: Convert to fraction form
    4,954.92/7,428.40 = 3,391.08/x
  3. Step 3: Cross multiply
    4,954.92x = 7,428.40 × 3,391.08
  4. Step 4: Simplify right side
    4,954.92x = 25,190,290.19
  5. Step 5: Solve for x
    x = 25,190,290.19/4,954.92
  6. Step 6: Final answer
    x = 5,083.89

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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.