Home / 6,481.10-9,726.45-4,289.10

Finding the Fourth Proportional to 6,481.10, 9,726.45 and 4,289.10

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Solution

The fourth proportional to 6,481.10, 9,726.45 and 4,289.10 is: 6,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.10 : 9,726.45 = 4,289.10 : x
  2. Step 2: Convert to fraction form
    6,481.10/9,726.45 = 4,289.10/x
  3. Step 3: Cross multiply
    6,481.10x = 9,726.45 × 4,289.10
  4. Step 4: Simplify right side
    6,481.10x = 41,717,716.70
  5. Step 5: Solve for x
    x = 41,717,716.70/6,481.10
  6. Step 6: Final answer
    x = 6,436.83

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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.