Home / 5,489.26-8,234.70-2,892.40

Finding the Fourth Proportional to 5,489.26, 8,234.70 and 2,892.40

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Solution

The fourth proportional to 5,489.26, 8,234.70 and 2,892.40 is: 4,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.26 : 8,234.70 = 2,892.40 : x
  2. Step 2: Convert to fraction form
    5,489.26/8,234.70 = 2,892.40/x
  3. Step 3: Cross multiply
    5,489.26x = 8,234.70 × 2,892.40
  4. Step 4: Simplify right side
    5,489.26x = 23,818,046.28
  5. Step 5: Solve for x
    x = 23,818,046.28/5,489.26
  6. Step 6: Final answer
    x = 4,339.03

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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.