Home / 4,918.75-7,380.39-2,284.57

Finding the Fourth Proportional to 4,918.75, 7,380.39 and 2,284.57

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Solution

The fourth proportional to 4,918.75, 7,380.39 and 2,284.57 is: 3,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.75 : 7,380.39 = 2,284.57 : x
  2. Step 2: Convert to fraction form
    4,918.75/7,380.39 = 2,284.57/x
  3. Step 3: Cross multiply
    4,918.75x = 7,380.39 × 2,284.57
  4. Step 4: Simplify right side
    4,918.75x = 16,861,017.58
  5. Step 5: Solve for x
    x = 16,861,017.58/4,918.75
  6. Step 6: Final answer
    x = 3,427.91

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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.