Home / 8,778-13,168.56-2,623.44

Finding the Fourth Proportional to 8,778, 13,168.56 and 2,623.44

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Solution

The fourth proportional to 8,778, 13,168.56 and 2,623.44 is: 3,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778 : 13,168.56 = 2,623.44 : x
  2. Step 2: Convert to fraction form
    8,778/13,168.56 = 2,623.44/x
  3. Step 3: Cross multiply
    8,778x = 13,168.56 × 2,623.44
  4. Step 4: Simplify right side
    8,778x = 34,546,927.05
  5. Step 5: Solve for x
    x = 34,546,927.05/8,778
  6. Step 6: Final answer
    x = 3,935.63

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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.