Home / 4,375.94-6,561.39-1,909.58

Finding the Fourth Proportional to 4,375.94, 6,561.39 and 1,909.58

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Solution

The fourth proportional to 4,375.94, 6,561.39 and 1,909.58 is: 2,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.94 : 6,561.39 = 1,909.58 : x
  2. Step 2: Convert to fraction form
    4,375.94/6,561.39 = 1,909.58/x
  3. Step 3: Cross multiply
    4,375.94x = 6,561.39 × 1,909.58
  4. Step 4: Simplify right side
    4,375.94x = 12,529,499.12
  5. Step 5: Solve for x
    x = 12,529,499.12/4,375.94
  6. Step 6: Final answer
    x = 2,863.27

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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.