Home / 7,965.63-11,948.44-2,418.95

Finding the Fourth Proportional to 7,965.63, 11,948.44 and 2,418.95

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Solution

The fourth proportional to 7,965.63, 11,948.44 and 2,418.95 is: 3,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.63 : 11,948.44 = 2,418.95 : x
  2. Step 2: Convert to fraction form
    7,965.63/11,948.44 = 2,418.95/x
  3. Step 3: Cross multiply
    7,965.63x = 11,948.44 × 2,418.95
  4. Step 4: Simplify right side
    7,965.63x = 28,902,678.94
  5. Step 5: Solve for x
    x = 28,902,678.94/7,965.63
  6. Step 6: Final answer
    x = 3,628.42

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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.