Home / 4,969.44-6,856.68-2,979.36

Finding the Fourth Proportional to 4,969.44, 6,856.68 and 2,979.36

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Solution

The fourth proportional to 4,969.44, 6,856.68 and 2,979.36 is: 4,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.44 : 6,856.68 = 2,979.36 : x
  2. Step 2: Convert to fraction form
    4,969.44/6,856.68 = 2,979.36/x
  3. Step 3: Cross multiply
    4,969.44x = 6,856.68 × 2,979.36
  4. Step 4: Simplify right side
    4,969.44x = 20,428,518.12
  5. Step 5: Solve for x
    x = 20,428,518.12/4,969.44
  6. Step 6: Final answer
    x = 4,110.83

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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.