Home / 5,180.45-7,770.61-3,101.03

Finding the Fourth Proportional to 5,180.45, 7,770.61 and 3,101.03

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Solution

The fourth proportional to 5,180.45, 7,770.61 and 3,101.03 is: 4,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.45 : 7,770.61 = 3,101.03 : x
  2. Step 2: Convert to fraction form
    5,180.45/7,770.61 = 3,101.03/x
  3. Step 3: Cross multiply
    5,180.45x = 7,770.61 × 3,101.03
  4. Step 4: Simplify right side
    5,180.45x = 24,096,894.73
  5. Step 5: Solve for x
    x = 24,096,894.73/5,180.45
  6. Step 6: Final answer
    x = 4,651.51

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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.