Home / 4,561.89-6,839.39-2,915.25

Finding the Fourth Proportional to 4,561.89, 6,839.39 and 2,915.25

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Solution

The fourth proportional to 4,561.89, 6,839.39 and 2,915.25 is: 4,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.89 : 6,839.39 = 2,915.25 : x
  2. Step 2: Convert to fraction form
    4,561.89/6,839.39 = 2,915.25/x
  3. Step 3: Cross multiply
    4,561.89x = 6,839.39 × 2,915.25
  4. Step 4: Simplify right side
    4,561.89x = 19,938,517.12
  5. Step 5: Solve for x
    x = 19,938,517.12/4,561.89
  6. Step 6: Final answer
    x = 4,370.67

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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.