Home / 6,456.11-9,682.54-2,072.39

Finding the Fourth Proportional to 6,456.11, 9,682.54 and 2,072.39

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Solution

The fourth proportional to 6,456.11, 9,682.54 and 2,072.39 is: 3,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.11 : 9,682.54 = 2,072.39 : x
  2. Step 2: Convert to fraction form
    6,456.11/9,682.54 = 2,072.39/x
  3. Step 3: Cross multiply
    6,456.11x = 9,682.54 × 2,072.39
  4. Step 4: Simplify right side
    6,456.11x = 20,065,945.48
  5. Step 5: Solve for x
    x = 20,065,945.48/6,456.11
  6. Step 6: Final answer
    x = 3,108.06

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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.