Home / 5,517.94-8,217.74-5,486.35

Finding the Fourth Proportional to 5,517.94, 8,217.74 and 5,486.35

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Solution

The fourth proportional to 5,517.94, 8,217.74 and 5,486.35 is: 8,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.94 : 8,217.74 = 5,486.35 : x
  2. Step 2: Convert to fraction form
    5,517.94/8,217.74 = 5,486.35/x
  3. Step 3: Cross multiply
    5,517.94x = 8,217.74 × 5,486.35
  4. Step 4: Simplify right side
    5,517.94x = 45,085,397.85
  5. Step 5: Solve for x
    x = 45,085,397.85/5,517.94
  6. Step 6: Final answer
    x = 8,170.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.