Home / 6,776.92-10,165.40-2,879.20

Finding the Fourth Proportional to 6,776.92, 10,165.40 and 2,879.20

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Solution

The fourth proportional to 6,776.92, 10,165.40 and 2,879.20 is: 4,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.92 : 10,165.40 = 2,879.20 : x
  2. Step 2: Convert to fraction form
    6,776.92/10,165.40 = 2,879.20/x
  3. Step 3: Cross multiply
    6,776.92x = 10,165.40 × 2,879.20
  4. Step 4: Simplify right side
    6,776.92x = 29,268,219.68
  5. Step 5: Solve for x
    x = 29,268,219.68/6,776.92
  6. Step 6: Final answer
    x = 4,318.81

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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.