Home / 6,456.31-9,682.74-2,072.79

Finding the Fourth Proportional to 6,456.31, 9,682.74 and 2,072.79

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Solution

The fourth proportional to 6,456.31, 9,682.74 and 2,072.79 is: 3,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.31 : 9,682.74 = 2,072.79 : x
  2. Step 2: Convert to fraction form
    6,456.31/9,682.74 = 2,072.79/x
  3. Step 3: Cross multiply
    6,456.31x = 9,682.74 × 2,072.79
  4. Step 4: Simplify right side
    6,456.31x = 20,070,286.64
  5. Step 5: Solve for x
    x = 20,070,286.64/6,456.31
  6. Step 6: Final answer
    x = 3,108.63

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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.