Home / 4,175.76-5,766.45-2,686.26

Finding the Fourth Proportional to 4,175.76, 5,766.45 and 2,686.26

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Solution

The fourth proportional to 4,175.76, 5,766.45 and 2,686.26 is: 3,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.76 : 5,766.45 = 2,686.26 : x
  2. Step 2: Convert to fraction form
    4,175.76/5,766.45 = 2,686.26/x
  3. Step 3: Cross multiply
    4,175.76x = 5,766.45 × 2,686.26
  4. Step 4: Simplify right side
    4,175.76x = 15,490,183.98
  5. Step 5: Solve for x
    x = 15,490,183.98/4,175.76
  6. Step 6: Final answer
    x = 3,709.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.