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Finding the Fourth Proportional to 7,351.13, 11,026.69 and 1,879.13

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Solution

The fourth proportional to 7,351.13, 11,026.69 and 1,879.13 is: 2,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.13 : 11,026.69 = 1,879.13 : x
  2. Step 2: Convert to fraction form
    7,351.13/11,026.69 = 1,879.13/x
  3. Step 3: Cross multiply
    7,351.13x = 11,026.69 × 1,879.13
  4. Step 4: Simplify right side
    7,351.13x = 20,720,583.98
  5. Step 5: Solve for x
    x = 20,720,583.98/7,351.13
  6. Step 6: Final answer
    x = 2,818.69

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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.