Home / 6,879.87-10,311.12-3,753.36

Finding the Fourth Proportional to 6,879.87, 10,311.12 and 3,753.36

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Solution

The fourth proportional to 6,879.87, 10,311.12 and 3,753.36 is: 5,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.87 : 10,311.12 = 3,753.36 : x
  2. Step 2: Convert to fraction form
    6,879.87/10,311.12 = 3,753.36/x
  3. Step 3: Cross multiply
    6,879.87x = 10,311.12 × 3,753.36
  4. Step 4: Simplify right side
    6,879.87x = 38,701,345.36
  5. Step 5: Solve for x
    x = 38,701,345.36/6,879.87
  6. Step 6: Final answer
    x = 5,625.30

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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.