Home / 4,178.96-5,766-2,500.90

Finding the Fourth Proportional to 4,178.96, 5,766 and 2,500.90

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Solution

The fourth proportional to 4,178.96, 5,766 and 2,500.90 is: 3,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.96 : 5,766 = 2,500.90 : x
  2. Step 2: Convert to fraction form
    4,178.96/5,766 = 2,500.90/x
  3. Step 3: Cross multiply
    4,178.96x = 5,766 × 2,500.90
  4. Step 4: Simplify right side
    4,178.96x = 14,420,189.40
  5. Step 5: Solve for x
    x = 14,420,189.40/4,178.96
  6. Step 6: Final answer
    x = 3,450.66

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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.