Home / 6,879.90-10,315.68-3,755.57

Finding the Fourth Proportional to 6,879.90, 10,315.68 and 3,755.57

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Solution

The fourth proportional to 6,879.90, 10,315.68 and 3,755.57 is: 5,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.90 : 10,315.68 = 3,755.57 : x
  2. Step 2: Convert to fraction form
    6,879.90/10,315.68 = 3,755.57/x
  3. Step 3: Cross multiply
    6,879.90x = 10,315.68 × 3,755.57
  4. Step 4: Simplify right side
    6,879.90x = 38,741,206.76
  5. Step 5: Solve for x
    x = 38,741,206.76/6,879.90
  6. Step 6: Final answer
    x = 5,631.07

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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.