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Finding the Fourth Proportional to 8,699.44, 13,047.54 and 4,019.26

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Solution

The fourth proportional to 8,699.44, 13,047.54 and 4,019.26 is: 6,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.44 : 13,047.54 = 4,019.26 : x
  2. Step 2: Convert to fraction form
    8,699.44/13,047.54 = 4,019.26/x
  3. Step 3: Cross multiply
    8,699.44x = 13,047.54 × 4,019.26
  4. Step 4: Simplify right side
    8,699.44x = 52,441,455.62
  5. Step 5: Solve for x
    x = 52,441,455.62/8,699.44
  6. Step 6: Final answer
    x = 6,028.14

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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.