Home / 5,759.42-8,640.38-1,864.22

Finding the Fourth Proportional to 5,759.42, 8,640.38 and 1,864.22

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Solution

The fourth proportional to 5,759.42, 8,640.38 and 1,864.22 is: 2,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.42 : 8,640.38 = 1,864.22 : x
  2. Step 2: Convert to fraction form
    5,759.42/8,640.38 = 1,864.22/x
  3. Step 3: Cross multiply
    5,759.42x = 8,640.38 × 1,864.22
  4. Step 4: Simplify right side
    5,759.42x = 16,107,530.66
  5. Step 5: Solve for x
    x = 16,107,530.66/5,759.42
  6. Step 6: Final answer
    x = 2,796.73

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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.