Home / 4,635.20-6,392.04-2,771.12

Finding the Fourth Proportional to 4,635.20, 6,392.04 and 2,771.12

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Solution

The fourth proportional to 4,635.20, 6,392.04 and 2,771.12 is: 3,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.20 : 6,392.04 = 2,771.12 : x
  2. Step 2: Convert to fraction form
    4,635.20/6,392.04 = 2,771.12/x
  3. Step 3: Cross multiply
    4,635.20x = 6,392.04 × 2,771.12
  4. Step 4: Simplify right side
    4,635.20x = 17,713,109.88
  5. Step 5: Solve for x
    x = 17,713,109.88/4,635.20
  6. Step 6: Final answer
    x = 3,821.43

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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.