Home / 5,759.31-8,640.09-2,249.18

Finding the Fourth Proportional to 5,759.31, 8,640.09 and 2,249.18

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Solution

The fourth proportional to 5,759.31, 8,640.09 and 2,249.18 is: 3,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.31 : 8,640.09 = 2,249.18 : x
  2. Step 2: Convert to fraction form
    5,759.31/8,640.09 = 2,249.18/x
  3. Step 3: Cross multiply
    5,759.31x = 8,640.09 × 2,249.18
  4. Step 4: Simplify right side
    5,759.31x = 19,433,106.83
  5. Step 5: Solve for x
    x = 19,433,106.83/5,759.31
  6. Step 6: Final answer
    x = 3,374.21

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1.5x scale

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.