Home / 6,742.92-10,105.16-4,279.48

Finding the Fourth Proportional to 6,742.92, 10,105.16 and 4,279.48

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Solution

The fourth proportional to 6,742.92, 10,105.16 and 4,279.48 is: 6,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.92 : 10,105.16 = 4,279.48 : x
  2. Step 2: Convert to fraction form
    6,742.92/10,105.16 = 4,279.48/x
  3. Step 3: Cross multiply
    6,742.92x = 10,105.16 × 4,279.48
  4. Step 4: Simplify right side
    6,742.92x = 43,244,830.12
  5. Step 5: Solve for x
    x = 43,244,830.12/6,742.92
  6. Step 6: Final answer
    x = 6,413.37

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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.