Home / 7,419.84-11,135.40-2,744.27

Finding the Fourth Proportional to 7,419.84, 11,135.40 and 2,744.27

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Solution

The fourth proportional to 7,419.84, 11,135.40 and 2,744.27 is: 4,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.84 : 11,135.40 = 2,744.27 : x
  2. Step 2: Convert to fraction form
    7,419.84/11,135.40 = 2,744.27/x
  3. Step 3: Cross multiply
    7,419.84x = 11,135.40 × 2,744.27
  4. Step 4: Simplify right side
    7,419.84x = 30,558,519.95
  5. Step 5: Solve for x
    x = 30,558,519.95/7,419.84
  6. Step 6: Final answer
    x = 4,118.49

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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.