Home / 5,489.08-8,234.48-1,790.45

Finding the Fourth Proportional to 5,489.08, 8,234.48 and 1,790.45

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Solution

The fourth proportional to 5,489.08, 8,234.48 and 1,790.45 is: 2,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.08 : 8,234.48 = 1,790.45 : x
  2. Step 2: Convert to fraction form
    5,489.08/8,234.48 = 1,790.45/x
  3. Step 3: Cross multiply
    5,489.08x = 8,234.48 × 1,790.45
  4. Step 4: Simplify right side
    5,489.08x = 14,743,455.15
  5. Step 5: Solve for x
    x = 14,743,455.15/5,489.08
  6. Step 6: Final answer
    x = 2,685.96

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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.