Home / 6,939.08-10,409.10-4,183.46

Finding the Fourth Proportional to 6,939.08, 10,409.10 and 4,183.46

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Solution

The fourth proportional to 6,939.08, 10,409.10 and 4,183.46 is: 6,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.08 : 10,409.10 = 4,183.46 : x
  2. Step 2: Convert to fraction form
    6,939.08/10,409.10 = 4,183.46/x
  3. Step 3: Cross multiply
    6,939.08x = 10,409.10 × 4,183.46
  4. Step 4: Simplify right side
    6,939.08x = 43,546,053.49
  5. Step 5: Solve for x
    x = 43,546,053.49/6,939.08
  6. Step 6: Final answer
    x = 6,275.48

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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.