Home / 7,915.25-11,878.71-3,755.27

Finding the Fourth Proportional to 7,915.25, 11,878.71 and 3,755.27

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Solution

The fourth proportional to 7,915.25, 11,878.71 and 3,755.27 is: 5,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.25 : 11,878.71 = 3,755.27 : x
  2. Step 2: Convert to fraction form
    7,915.25/11,878.71 = 3,755.27/x
  3. Step 3: Cross multiply
    7,915.25x = 11,878.71 × 3,755.27
  4. Step 4: Simplify right side
    7,915.25x = 44,607,763.30
  5. Step 5: Solve for x
    x = 44,607,763.30/7,915.25
  6. Step 6: Final answer
    x = 5,635.67

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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.