Home / 4,518.11-6,768.40-3,329.99

Finding the Fourth Proportional to 4,518.11, 6,768.40 and 3,329.99

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Solution

The fourth proportional to 4,518.11, 6,768.40 and 3,329.99 is: 4,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.11 : 6,768.40 = 3,329.99 : x
  2. Step 2: Convert to fraction form
    4,518.11/6,768.40 = 3,329.99/x
  3. Step 3: Cross multiply
    4,518.11x = 6,768.40 × 3,329.99
  4. Step 4: Simplify right side
    4,518.11x = 22,538,704.32
  5. Step 5: Solve for x
    x = 22,538,704.32/4,518.11
  6. Step 6: Final answer
    x = 4,988.52

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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.