Home / 5,914.89-8,861.40-2,986.20

Finding the Fourth Proportional to 5,914.89, 8,861.40 and 2,986.20

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Solution

The fourth proportional to 5,914.89, 8,861.40 and 2,986.20 is: 4,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.89 : 8,861.40 = 2,986.20 : x
  2. Step 2: Convert to fraction form
    5,914.89/8,861.40 = 2,986.20/x
  3. Step 3: Cross multiply
    5,914.89x = 8,861.40 × 2,986.20
  4. Step 4: Simplify right side
    5,914.89x = 26,461,912.68
  5. Step 5: Solve for x
    x = 26,461,912.68/5,914.89
  6. Step 6: Final answer
    x = 4,473.78

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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.