Home / 8,768.44-13,158.13-5,072.41

Finding the Fourth Proportional to 8,768.44, 13,158.13 and 5,072.41

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Solution

The fourth proportional to 8,768.44, 13,158.13 and 5,072.41 is: 7,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.44 : 13,158.13 = 5,072.41 : x
  2. Step 2: Convert to fraction form
    8,768.44/13,158.13 = 5,072.41/x
  3. Step 3: Cross multiply
    8,768.44x = 13,158.13 × 5,072.41
  4. Step 4: Simplify right side
    8,768.44x = 66,743,430.19
  5. Step 5: Solve for x
    x = 66,743,430.19/8,768.44
  6. Step 6: Final answer
    x = 7,611.78

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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.