Home / 6,879.38-10,313.31-2,774.42

Finding the Fourth Proportional to 6,879.38, 10,313.31 and 2,774.42

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Solution

The fourth proportional to 6,879.38, 10,313.31 and 2,774.42 is: 4,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.38 : 10,313.31 = 2,774.42 : x
  2. Step 2: Convert to fraction form
    6,879.38/10,313.31 = 2,774.42/x
  3. Step 3: Cross multiply
    6,879.38x = 10,313.31 × 2,774.42
  4. Step 4: Simplify right side
    6,879.38x = 28,613,453.53
  5. Step 5: Solve for x
    x = 28,613,453.53/6,879.38
  6. Step 6: Final answer
    x = 4,159.31

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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.