Home / 6,453.36-9,663.62-4,255.42

Finding the Fourth Proportional to 6,453.36, 9,663.62 and 4,255.42

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Solution

The fourth proportional to 6,453.36, 9,663.62 and 4,255.42 is: 6,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.36 : 9,663.62 = 4,255.42 : x
  2. Step 2: Convert to fraction form
    6,453.36/9,663.62 = 4,255.42/x
  3. Step 3: Cross multiply
    6,453.36x = 9,663.62 × 4,255.42
  4. Step 4: Simplify right side
    6,453.36x = 41,122,761.82
  5. Step 5: Solve for x
    x = 41,122,761.82/6,453.36
  6. Step 6: Final answer
    x = 6,372.30

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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.