Home / 5,578.66-7,694.28-4,086.04

Finding the Fourth Proportional to 5,578.66, 7,694.28 and 4,086.04

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Solution

The fourth proportional to 5,578.66, 7,694.28 and 4,086.04 is: 5,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.66 : 7,694.28 = 4,086.04 : x
  2. Step 2: Convert to fraction form
    5,578.66/7,694.28 = 4,086.04/x
  3. Step 3: Cross multiply
    5,578.66x = 7,694.28 × 4,086.04
  4. Step 4: Simplify right side
    5,578.66x = 31,439,135.85
  5. Step 5: Solve for x
    x = 31,439,135.85/5,578.66
  6. Step 6: Final answer
    x = 5,635.61

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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.