Home / 6,921.27-10,375.53-2,760.29

Finding the Fourth Proportional to 6,921.27, 10,375.53 and 2,760.29

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Solution

The fourth proportional to 6,921.27, 10,375.53 and 2,760.29 is: 4,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.27 : 10,375.53 = 2,760.29 : x
  2. Step 2: Convert to fraction form
    6,921.27/10,375.53 = 2,760.29/x
  3. Step 3: Cross multiply
    6,921.27x = 10,375.53 × 2,760.29
  4. Step 4: Simplify right side
    6,921.27x = 28,639,419.83
  5. Step 5: Solve for x
    x = 28,639,419.83/6,921.27
  6. Step 6: Final answer
    x = 4,137.89

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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.