Home / 4,173.12-5,756.88-2,757.36

Finding the Fourth Proportional to 4,173.12, 5,756.88 and 2,757.36

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Solution

The fourth proportional to 4,173.12, 5,756.88 and 2,757.36 is: 3,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.12 : 5,756.88 = 2,757.36 : x
  2. Step 2: Convert to fraction form
    4,173.12/5,756.88 = 2,757.36/x
  3. Step 3: Cross multiply
    4,173.12x = 5,756.88 × 2,757.36
  4. Step 4: Simplify right side
    4,173.12x = 15,873,790.64
  5. Step 5: Solve for x
    x = 15,873,790.64/4,173.12
  6. Step 6: Final answer
    x = 3,803.82

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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.