Home / 4,311.43-6,476.36-3,086.71

Finding the Fourth Proportional to 4,311.43, 6,476.36 and 3,086.71

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Solution

The fourth proportional to 4,311.43, 6,476.36 and 3,086.71 is: 4,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.43 : 6,476.36 = 3,086.71 : x
  2. Step 2: Convert to fraction form
    4,311.43/6,476.36 = 3,086.71/x
  3. Step 3: Cross multiply
    4,311.43x = 6,476.36 × 3,086.71
  4. Step 4: Simplify right side
    4,311.43x = 19,990,613.55
  5. Step 5: Solve for x
    x = 19,990,613.55/4,311.43
  6. Step 6: Final answer
    x = 4,636.66

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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.