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Finding the Fourth Proportional to 8,879.85, 13,320 and 3,036.42

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Solution

The fourth proportional to 8,879.85, 13,320 and 3,036.42 is: 4,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.85 : 13,320 = 3,036.42 : x
  2. Step 2: Convert to fraction form
    8,879.85/13,320 = 3,036.42/x
  3. Step 3: Cross multiply
    8,879.85x = 13,320 × 3,036.42
  4. Step 4: Simplify right side
    8,879.85x = 40,445,114.40
  5. Step 5: Solve for x
    x = 40,445,114.40/8,879.85
  6. Step 6: Final answer
    x = 4,554.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.