Home / 4,915.89-7,374.44-1,993.51

Finding the Fourth Proportional to 4,915.89, 7,374.44 and 1,993.51

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Solution

The fourth proportional to 4,915.89, 7,374.44 and 1,993.51 is: 2,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.89 : 7,374.44 = 1,993.51 : x
  2. Step 2: Convert to fraction form
    4,915.89/7,374.44 = 1,993.51/x
  3. Step 3: Cross multiply
    4,915.89x = 7,374.44 × 1,993.51
  4. Step 4: Simplify right side
    4,915.89x = 14,701,034.09
  5. Step 5: Solve for x
    x = 14,701,034.09/4,915.89
  6. Step 6: Final answer
    x = 2,990.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.