Home / 4,979.92-6,841.54-4,455.75

Finding the Fourth Proportional to 4,979.92, 6,841.54 and 4,455.75

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Solution

The fourth proportional to 4,979.92, 6,841.54 and 4,455.75 is: 6,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.92 : 6,841.54 = 4,455.75 : x
  2. Step 2: Convert to fraction form
    4,979.92/6,841.54 = 4,455.75/x
  3. Step 3: Cross multiply
    4,979.92x = 6,841.54 × 4,455.75
  4. Step 4: Simplify right side
    4,979.92x = 30,484,176.54
  5. Step 5: Solve for x
    x = 30,484,176.54/4,979.92
  6. Step 6: Final answer
    x = 6,121.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.