Home / 6,319.82-8,716.11-4,745.18

Finding the Fourth Proportional to 6,319.82, 8,716.11 and 4,745.18

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Solution

The fourth proportional to 6,319.82, 8,716.11 and 4,745.18 is: 6,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.82 : 8,716.11 = 4,745.18 : x
  2. Step 2: Convert to fraction form
    6,319.82/8,716.11 = 4,745.18/x
  3. Step 3: Cross multiply
    6,319.82x = 8,716.11 × 4,745.18
  4. Step 4: Simplify right side
    6,319.82x = 41,359,514.85
  5. Step 5: Solve for x
    x = 41,359,514.85/6,319.82
  6. Step 6: Final answer
    x = 6,544.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.