Home / 5,759.26-8,638.00-1,809.61

Finding the Fourth Proportional to 5,759.26, 8,638.00 and 1,809.61

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Solution

The fourth proportional to 5,759.26, 8,638.00 and 1,809.61 is: 2,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.26 : 8,638.00 = 1,809.61 : x
  2. Step 2: Convert to fraction form
    5,759.26/8,638.00 = 1,809.61/x
  3. Step 3: Cross multiply
    5,759.26x = 8,638.00 × 1,809.61
  4. Step 4: Simplify right side
    5,759.26x = 15,631,385.06
  5. Step 5: Solve for x
    x = 15,631,385.06/5,759.26
  6. Step 6: Final answer
    x = 2,714.13

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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.