Home / 6,751.49-10,146.38-3,979.47

Finding the Fourth Proportional to 6,751.49, 10,146.38 and 3,979.47

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Solution

The fourth proportional to 6,751.49, 10,146.38 and 3,979.47 is: 5,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.49 : 10,146.38 = 3,979.47 : x
  2. Step 2: Convert to fraction form
    6,751.49/10,146.38 = 3,979.47/x
  3. Step 3: Cross multiply
    6,751.49x = 10,146.38 × 3,979.47
  4. Step 4: Simplify right side
    6,751.49x = 40,377,194.92
  5. Step 5: Solve for x
    x = 40,377,194.92/6,751.49
  6. Step 6: Final answer
    x = 5,980.48

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1.5x scale

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.