Home / 7,837.36-11,755.47-3,678.31

Finding the Fourth Proportional to 7,837.36, 11,755.47 and 3,678.31

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Solution

The fourth proportional to 7,837.36, 11,755.47 and 3,678.31 is: 5,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.36 : 11,755.47 = 3,678.31 : x
  2. Step 2: Convert to fraction form
    7,837.36/11,755.47 = 3,678.31/x
  3. Step 3: Cross multiply
    7,837.36x = 11,755.47 × 3,678.31
  4. Step 4: Simplify right side
    7,837.36x = 43,240,262.86
  5. Step 5: Solve for x
    x = 43,240,262.86/7,837.36
  6. Step 6: Final answer
    x = 5,517.20

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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.