Home / 5,986.28-8,981.58-2,091.26

Finding the Fourth Proportional to 5,986.28, 8,981.58 and 2,091.26

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Solution

The fourth proportional to 5,986.28, 8,981.58 and 2,091.26 is: 3,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.28 : 8,981.58 = 2,091.26 : x
  2. Step 2: Convert to fraction form
    5,986.28/8,981.58 = 2,091.26/x
  3. Step 3: Cross multiply
    5,986.28x = 8,981.58 × 2,091.26
  4. Step 4: Simplify right side
    5,986.28x = 18,782,818.99
  5. Step 5: Solve for x
    x = 18,782,818.99/5,986.28
  6. Step 6: Final answer
    x = 3,137.64

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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.