Home / 5,086.35-7,019.10-3,096.90

Finding the Fourth Proportional to 5,086.35, 7,019.10 and 3,096.90

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Solution

The fourth proportional to 5,086.35, 7,019.10 and 3,096.90 is: 4,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.35 : 7,019.10 = 3,096.90 : x
  2. Step 2: Convert to fraction form
    5,086.35/7,019.10 = 3,096.90/x
  3. Step 3: Cross multiply
    5,086.35x = 7,019.10 × 3,096.90
  4. Step 4: Simplify right side
    5,086.35x = 21,737,450.79
  5. Step 5: Solve for x
    x = 21,737,450.79/5,086.35
  6. Step 6: Final answer
    x = 4,273.68

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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.