Home / 5,486.80-8,230.20-3,020.35

Finding the Fourth Proportional to 5,486.80, 8,230.20 and 3,020.35

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Solution

The fourth proportional to 5,486.80, 8,230.20 and 3,020.35 is: 4,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.80 : 8,230.20 = 3,020.35 : x
  2. Step 2: Convert to fraction form
    5,486.80/8,230.20 = 3,020.35/x
  3. Step 3: Cross multiply
    5,486.80x = 8,230.20 × 3,020.35
  4. Step 4: Simplify right side
    5,486.80x = 24,858,084.57
  5. Step 5: Solve for x
    x = 24,858,084.57/5,486.80
  6. Step 6: Final answer
    x = 4,530.53

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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.