Home / 6,806.09-9,391.75-4,288.71

Finding the Fourth Proportional to 6,806.09, 9,391.75 and 4,288.71

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Solution

The fourth proportional to 6,806.09, 9,391.75 and 4,288.71 is: 5,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.09 : 9,391.75 = 4,288.71 : x
  2. Step 2: Convert to fraction form
    6,806.09/9,391.75 = 4,288.71/x
  3. Step 3: Cross multiply
    6,806.09x = 9,391.75 × 4,288.71
  4. Step 4: Simplify right side
    6,806.09x = 40,278,516.64
  5. Step 5: Solve for x
    x = 40,278,516.64/6,806.09
  6. Step 6: Final answer
    x = 5,918.01

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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.