Home / 4,170.43-6,255.65-1,705.25

Finding the Fourth Proportional to 4,170.43, 6,255.65 and 1,705.25

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Solution

The fourth proportional to 4,170.43, 6,255.65 and 1,705.25 is: 2,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.43 : 6,255.65 = 1,705.25 : x
  2. Step 2: Convert to fraction form
    4,170.43/6,255.65 = 1,705.25/x
  3. Step 3: Cross multiply
    4,170.43x = 6,255.65 × 1,705.25
  4. Step 4: Simplify right side
    4,170.43x = 10,667,447.16
  5. Step 5: Solve for x
    x = 10,667,447.16/4,170.43
  6. Step 6: Final answer
    x = 2,557.88

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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.