Home / 6,879.11-10,316.50-2,930.32

Finding the Fourth Proportional to 6,879.11, 10,316.50 and 2,930.32

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Solution

The fourth proportional to 6,879.11, 10,316.50 and 2,930.32 is: 4,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.11 : 10,316.50 = 2,930.32 : x
  2. Step 2: Convert to fraction form
    6,879.11/10,316.50 = 2,930.32/x
  3. Step 3: Cross multiply
    6,879.11x = 10,316.50 × 2,930.32
  4. Step 4: Simplify right side
    6,879.11x = 30,230,651.85
  5. Step 5: Solve for x
    x = 30,230,651.85/6,879.11
  6. Step 6: Final answer
    x = 4,394.56

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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.