Home / 6,318.15-8,716.36-4,636.64

Finding the Fourth Proportional to 6,318.15, 8,716.36 and 4,636.64

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Solution

The fourth proportional to 6,318.15, 8,716.36 and 4,636.64 is: 6,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.15 : 8,716.36 = 4,636.64 : x
  2. Step 2: Convert to fraction form
    6,318.15/8,716.36 = 4,636.64/x
  3. Step 3: Cross multiply
    6,318.15x = 8,716.36 × 4,636.64
  4. Step 4: Simplify right side
    6,318.15x = 40,414,623.43
  5. Step 5: Solve for x
    x = 40,414,623.43/6,318.15
  6. Step 6: Final answer
    x = 6,396.59

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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.