Home / 5,586.70-8,380.25-2,811.87

Finding the Fourth Proportional to 5,586.70, 8,380.25 and 2,811.87

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Solution

The fourth proportional to 5,586.70, 8,380.25 and 2,811.87 is: 4,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.70 : 8,380.25 = 2,811.87 : x
  2. Step 2: Convert to fraction form
    5,586.70/8,380.25 = 2,811.87/x
  3. Step 3: Cross multiply
    5,586.70x = 8,380.25 × 2,811.87
  4. Step 4: Simplify right side
    5,586.70x = 23,564,173.57
  5. Step 5: Solve for x
    x = 23,564,173.57/5,586.70
  6. Step 6: Final answer
    x = 4,217.91

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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.