Home / 7,949.54-11,920.55-2,948.51

Finding the Fourth Proportional to 7,949.54, 11,920.55 and 2,948.51

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Solution

The fourth proportional to 7,949.54, 11,920.55 and 2,948.51 is: 4,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.54 : 11,920.55 = 2,948.51 : x
  2. Step 2: Convert to fraction form
    7,949.54/11,920.55 = 2,948.51/x
  3. Step 3: Cross multiply
    7,949.54x = 11,920.55 × 2,948.51
  4. Step 4: Simplify right side
    7,949.54x = 35,147,786.54
  5. Step 5: Solve for x
    x = 35,147,786.54/7,949.54
  6. Step 6: Final answer
    x = 4,421.36

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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.