Home / 6,837.63-9,435.78-3,812.79

Finding the Fourth Proportional to 6,837.63, 9,435.78 and 3,812.79

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Solution

The fourth proportional to 6,837.63, 9,435.78 and 3,812.79 is: 5,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.63 : 9,435.78 = 3,812.79 : x
  2. Step 2: Convert to fraction form
    6,837.63/9,435.78 = 3,812.79/x
  3. Step 3: Cross multiply
    6,837.63x = 9,435.78 × 3,812.79
  4. Step 4: Simplify right side
    6,837.63x = 35,976,647.63
  5. Step 5: Solve for x
    x = 35,976,647.63/6,837.63
  6. Step 6: Final answer
    x = 5,261.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.