Home / 5,869.20-8,790.56-4,121.96

Finding the Fourth Proportional to 5,869.20, 8,790.56 and 4,121.96

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Solution

The fourth proportional to 5,869.20, 8,790.56 and 4,121.96 is: 6,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.20 : 8,790.56 = 4,121.96 : x
  2. Step 2: Convert to fraction form
    5,869.20/8,790.56 = 4,121.96/x
  3. Step 3: Cross multiply
    5,869.20x = 8,790.56 × 4,121.96
  4. Step 4: Simplify right side
    5,869.20x = 36,234,336.70
  5. Step 5: Solve for x
    x = 36,234,336.70/5,869.20
  6. Step 6: Final answer
    x = 6,173.64

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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.