Home / 6,879.35-10,317-2,930.57

Finding the Fourth Proportional to 6,879.35, 10,317 and 2,930.57

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Solution

The fourth proportional to 6,879.35, 10,317 and 2,930.57 is: 4,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.35 : 10,317 = 2,930.57 : x
  2. Step 2: Convert to fraction form
    6,879.35/10,317 = 2,930.57/x
  3. Step 3: Cross multiply
    6,879.35x = 10,317 × 2,930.57
  4. Step 4: Simplify right side
    6,879.35x = 30,234,639.11
  5. Step 5: Solve for x
    x = 30,234,639.11/6,879.35
  6. Step 6: Final answer
    x = 4,394.98

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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.