Home / 4,847.89-6,689.55-2,722.99

Finding the Fourth Proportional to 4,847.89, 6,689.55 and 2,722.99

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Solution

The fourth proportional to 4,847.89, 6,689.55 and 2,722.99 is: 3,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.89 : 6,689.55 = 2,722.99 : x
  2. Step 2: Convert to fraction form
    4,847.89/6,689.55 = 2,722.99/x
  3. Step 3: Cross multiply
    4,847.89x = 6,689.55 × 2,722.99
  4. Step 4: Simplify right side
    4,847.89x = 18,215,577.75
  5. Step 5: Solve for x
    x = 18,215,577.75/4,847.89
  6. Step 6: Final answer
    x = 3,757.42

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1.5x scale

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.