Home / 5,127.35-7,695.20-2,662.88

Finding the Fourth Proportional to 5,127.35, 7,695.20 and 2,662.88

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Solution

The fourth proportional to 5,127.35, 7,695.20 and 2,662.88 is: 3,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.35 : 7,695.20 = 2,662.88 : x
  2. Step 2: Convert to fraction form
    5,127.35/7,695.20 = 2,662.88/x
  3. Step 3: Cross multiply
    5,127.35x = 7,695.20 × 2,662.88
  4. Step 4: Simplify right side
    5,127.35x = 20,491,420.07
  5. Step 5: Solve for x
    x = 20,491,420.07/5,127.35
  6. Step 6: Final answer
    x = 3,996.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.