Home / 5,521.58-7,619.55-3,163.94

Finding the Fourth Proportional to 5,521.58, 7,619.55 and 3,163.94

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Solution

The fourth proportional to 5,521.58, 7,619.55 and 3,163.94 is: 4,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.58 : 7,619.55 = 3,163.94 : x
  2. Step 2: Convert to fraction form
    5,521.58/7,619.55 = 3,163.94/x
  3. Step 3: Cross multiply
    5,521.58x = 7,619.55 × 3,163.94
  4. Step 4: Simplify right side
    5,521.58x = 24,107,799.03
  5. Step 5: Solve for x
    x = 24,107,799.03/5,521.58
  6. Step 6: Final answer
    x = 4,366.11

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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.