Home / 4,988.44-7,484.82-1,912.60

Finding the Fourth Proportional to 4,988.44, 7,484.82 and 1,912.60

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Solution

The fourth proportional to 4,988.44, 7,484.82 and 1,912.60 is: 2,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.44 : 7,484.82 = 1,912.60 : x
  2. Step 2: Convert to fraction form
    4,988.44/7,484.82 = 1,912.60/x
  3. Step 3: Cross multiply
    4,988.44x = 7,484.82 × 1,912.60
  4. Step 4: Simplify right side
    4,988.44x = 14,315,466.73
  5. Step 5: Solve for x
    x = 14,315,466.73/4,988.44
  6. Step 6: Final answer
    x = 2,869.73

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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.