Home / 6,979.75-10,516.19-6,313.41

Finding the Fourth Proportional to 6,979.75, 10,516.19 and 6,313.41

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Solution

The fourth proportional to 6,979.75, 10,516.19 and 6,313.41 is: 9,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.75 : 10,516.19 = 6,313.41 : x
  2. Step 2: Convert to fraction form
    6,979.75/10,516.19 = 6,313.41/x
  3. Step 3: Cross multiply
    6,979.75x = 10,516.19 × 6,313.41
  4. Step 4: Simplify right side
    6,979.75x = 66,392,987.54
  5. Step 5: Solve for x
    x = 66,392,987.54/6,979.75
  6. Step 6: Final answer
    x = 9,512.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.