Home / 4,929.75-7,392.39-1,418.94

Finding the Fourth Proportional to 4,929.75, 7,392.39 and 1,418.94

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Solution

The fourth proportional to 4,929.75, 7,392.39 and 1,418.94 is: 2,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.75 : 7,392.39 = 1,418.94 : x
  2. Step 2: Convert to fraction form
    4,929.75/7,392.39 = 1,418.94/x
  3. Step 3: Cross multiply
    4,929.75x = 7,392.39 × 1,418.94
  4. Step 4: Simplify right side
    4,929.75x = 10,489,357.87
  5. Step 5: Solve for x
    x = 10,489,357.87/4,929.75
  6. Step 6: Final answer
    x = 2,127.77

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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.