Home / 5,486.84-8,229.53-2,199.98

Finding the Fourth Proportional to 5,486.84, 8,229.53 and 2,199.98

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Solution

The fourth proportional to 5,486.84, 8,229.53 and 2,199.98 is: 3,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.84 : 8,229.53 = 2,199.98 : x
  2. Step 2: Convert to fraction form
    5,486.84/8,229.53 = 2,199.98/x
  3. Step 3: Cross multiply
    5,486.84x = 8,229.53 × 2,199.98
  4. Step 4: Simplify right side
    5,486.84x = 18,104,749.26
  5. Step 5: Solve for x
    x = 18,104,749.26/5,486.84
  6. Step 6: Final answer
    x = 3,299.67

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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.