Home / 4,170.29-6,256.43-1,396.97

Finding the Fourth Proportional to 4,170.29, 6,256.43 and 1,396.97

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Solution

The fourth proportional to 4,170.29, 6,256.43 and 1,396.97 is: 2,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.29 : 6,256.43 = 1,396.97 : x
  2. Step 2: Convert to fraction form
    4,170.29/6,256.43 = 1,396.97/x
  3. Step 3: Cross multiply
    4,170.29x = 6,256.43 × 1,396.97
  4. Step 4: Simplify right side
    4,170.29x = 8,740,035.45
  5. Step 5: Solve for x
    x = 8,740,035.45/4,170.29
  6. Step 6: Final answer
    x = 2,095.79

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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.