Home / 4,172.28-5,763.75-3,331.88

Finding the Fourth Proportional to 4,172.28, 5,763.75 and 3,331.88

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Solution

The fourth proportional to 4,172.28, 5,763.75 and 3,331.88 is: 4,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.28 : 5,763.75 = 3,331.88 : x
  2. Step 2: Convert to fraction form
    4,172.28/5,763.75 = 3,331.88/x
  3. Step 3: Cross multiply
    4,172.28x = 5,763.75 × 3,331.88
  4. Step 4: Simplify right side
    4,172.28x = 19,204,137.76
  5. Step 5: Solve for x
    x = 19,204,137.76/4,172.28
  6. Step 6: Final answer
    x = 4,602.79

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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.