Home / 6,415.82-9,624.27-2,255.47

Finding the Fourth Proportional to 6,415.82, 9,624.27 and 2,255.47

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Solution

The fourth proportional to 6,415.82, 9,624.27 and 2,255.47 is: 3,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.82 : 9,624.27 = 2,255.47 : x
  2. Step 2: Convert to fraction form
    6,415.82/9,624.27 = 2,255.47/x
  3. Step 3: Cross multiply
    6,415.82x = 9,624.27 × 2,255.47
  4. Step 4: Simplify right side
    6,415.82x = 21,707,236.65
  5. Step 5: Solve for x
    x = 21,707,236.65/6,415.82
  6. Step 6: Final answer
    x = 3,383.39

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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.