Home / 4,861.68-6,709.20-2,766

Finding the Fourth Proportional to 4,861.68, 6,709.20 and 2,766

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Solution

The fourth proportional to 4,861.68, 6,709.20 and 2,766 is: 3,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.68 : 6,709.20 = 2,766 : x
  2. Step 2: Convert to fraction form
    4,861.68/6,709.20 = 2,766/x
  3. Step 3: Cross multiply
    4,861.68x = 6,709.20 × 2,766
  4. Step 4: Simplify right side
    4,861.68x = 18,557,647.20
  5. Step 5: Solve for x
    x = 18,557,647.20/4,861.68
  6. Step 6: Final answer
    x = 3,817.13

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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.