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Finding the Fourth Proportional to 8,840.34, 13,266 and 5,144.22

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Solution

The fourth proportional to 8,840.34, 13,266 and 5,144.22 is: 7,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.34 : 13,266 = 5,144.22 : x
  2. Step 2: Convert to fraction form
    8,840.34/13,266 = 5,144.22/x
  3. Step 3: Cross multiply
    8,840.34x = 13,266 × 5,144.22
  4. Step 4: Simplify right side
    8,840.34x = 68,243,222.52
  5. Step 5: Solve for x
    x = 68,243,222.52/8,840.34
  6. Step 6: Final answer
    x = 7,719.52

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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.