Home / 4,863.94-7,289.08-2,780.83

Finding the Fourth Proportional to 4,863.94, 7,289.08 and 2,780.83

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Solution

The fourth proportional to 4,863.94, 7,289.08 and 2,780.83 is: 4,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.94 : 7,289.08 = 2,780.83 : x
  2. Step 2: Convert to fraction form
    4,863.94/7,289.08 = 2,780.83/x
  3. Step 3: Cross multiply
    4,863.94x = 7,289.08 × 2,780.83
  4. Step 4: Simplify right side
    4,863.94x = 20,269,692.34
  5. Step 5: Solve for x
    x = 20,269,692.34/4,863.94
  6. Step 6: Final answer
    x = 4,167.34

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1.5x scale

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.