Home / 7,938.63-11,907.81-2,744.37

Finding the Fourth Proportional to 7,938.63, 11,907.81 and 2,744.37

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Solution

The fourth proportional to 7,938.63, 11,907.81 and 2,744.37 is: 4,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.63 : 11,907.81 = 2,744.37 : x
  2. Step 2: Convert to fraction form
    7,938.63/11,907.81 = 2,744.37/x
  3. Step 3: Cross multiply
    7,938.63x = 11,907.81 × 2,744.37
  4. Step 4: Simplify right side
    7,938.63x = 32,679,436.53
  5. Step 5: Solve for x
    x = 32,679,436.53/7,938.63
  6. Step 6: Final answer
    x = 4,116.51

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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.