Home / 8,290.58-12,436.49-2,747.84

Finding the Fourth Proportional to 8,290.58, 12,436.49 and 2,747.84

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Solution

The fourth proportional to 8,290.58, 12,436.49 and 2,747.84 is: 4,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.58 : 12,436.49 = 2,747.84 : x
  2. Step 2: Convert to fraction form
    8,290.58/12,436.49 = 2,747.84/x
  3. Step 3: Cross multiply
    8,290.58x = 12,436.49 × 2,747.84
  4. Step 4: Simplify right side
    8,290.58x = 34,173,484.68
  5. Step 5: Solve for x
    x = 34,173,484.68/8,290.58
  6. Step 6: Final answer
    x = 4,121.97

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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.