Home / 6,418.20-9,614.84-3,636.32

Finding the Fourth Proportional to 6,418.20, 9,614.84 and 3,636.32

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Solution

The fourth proportional to 6,418.20, 9,614.84 and 3,636.32 is: 5,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.20 : 9,614.84 = 3,636.32 : x
  2. Step 2: Convert to fraction form
    6,418.20/9,614.84 = 3,636.32/x
  3. Step 3: Cross multiply
    6,418.20x = 9,614.84 × 3,636.32
  4. Step 4: Simplify right side
    6,418.20x = 34,962,634.99
  5. Step 5: Solve for x
    x = 34,962,634.99/6,418.20
  6. Step 6: Final answer
    x = 5,447.42

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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.