Home / 6,806.43-10,212.75-3,109.77

Finding the Fourth Proportional to 6,806.43, 10,212.75 and 3,109.77

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Solution

The fourth proportional to 6,806.43, 10,212.75 and 3,109.77 is: 4,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.43 : 10,212.75 = 3,109.77 : x
  2. Step 2: Convert to fraction form
    6,806.43/10,212.75 = 3,109.77/x
  3. Step 3: Cross multiply
    6,806.43x = 10,212.75 × 3,109.77
  4. Step 4: Simplify right side
    6,806.43x = 31,759,303.57
  5. Step 5: Solve for x
    x = 31,759,303.57/6,806.43
  6. Step 6: Final answer
    x = 4,666.07

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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.