Home / 4,979.41-7,468.81-2,057.64

Finding the Fourth Proportional to 4,979.41, 7,468.81 and 2,057.64

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Solution

The fourth proportional to 4,979.41, 7,468.81 and 2,057.64 is: 3,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.41 : 7,468.81 = 2,057.64 : x
  2. Step 2: Convert to fraction form
    4,979.41/7,468.81 = 2,057.64/x
  3. Step 3: Cross multiply
    4,979.41x = 7,468.81 × 2,057.64
  4. Step 4: Simplify right side
    4,979.41x = 15,368,089.06
  5. Step 5: Solve for x
    x = 15,368,089.06/4,979.41
  6. Step 6: Final answer
    x = 3,086.33

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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.