Home / 4,979.37-6,871.64-2,741.38

Finding the Fourth Proportional to 4,979.37, 6,871.64 and 2,741.38

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Solution

The fourth proportional to 4,979.37, 6,871.64 and 2,741.38 is: 3,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.37 : 6,871.64 = 2,741.38 : x
  2. Step 2: Convert to fraction form
    4,979.37/6,871.64 = 2,741.38/x
  3. Step 3: Cross multiply
    4,979.37x = 6,871.64 × 2,741.38
  4. Step 4: Simplify right side
    4,979.37x = 18,837,745.58
  5. Step 5: Solve for x
    x = 18,837,745.58/4,979.37
  6. Step 6: Final answer
    x = 3,783.16

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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.