Home / 6,918.09-10,378.44-2,535.78

Finding the Fourth Proportional to 6,918.09, 10,378.44 and 2,535.78

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Solution

The fourth proportional to 6,918.09, 10,378.44 and 2,535.78 is: 3,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.09 : 10,378.44 = 2,535.78 : x
  2. Step 2: Convert to fraction form
    6,918.09/10,378.44 = 2,535.78/x
  3. Step 3: Cross multiply
    6,918.09x = 10,378.44 × 2,535.78
  4. Step 4: Simplify right side
    6,918.09x = 26,317,440.58
  5. Step 5: Solve for x
    x = 26,317,440.58/6,918.09
  6. Step 6: Final answer
    x = 3,804.15

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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.