Home / 4,849.92-7,277.31-1,929.06

Finding the Fourth Proportional to 4,849.92, 7,277.31 and 1,929.06

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Solution

The fourth proportional to 4,849.92, 7,277.31 and 1,929.06 is: 2,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.92 : 7,277.31 = 1,929.06 : x
  2. Step 2: Convert to fraction form
    4,849.92/7,277.31 = 1,929.06/x
  3. Step 3: Cross multiply
    4,849.92x = 7,277.31 × 1,929.06
  4. Step 4: Simplify right side
    4,849.92x = 14,038,367.63
  5. Step 5: Solve for x
    x = 14,038,367.63/4,849.92
  6. Step 6: Final answer
    x = 2,894.56

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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.