Home / 9,236.26-12,745.56-5,257.36

Finding the Fourth Proportional to 9,236.26, 12,745.56 and 5,257.36

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Solution

The fourth proportional to 9,236.26, 12,745.56 and 5,257.36 is: 7,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.26 : 12,745.56 = 5,257.36 : x
  2. Step 2: Convert to fraction form
    9,236.26/12,745.56 = 5,257.36/x
  3. Step 3: Cross multiply
    9,236.26x = 12,745.56 × 5,257.36
  4. Step 4: Simplify right side
    9,236.26x = 67,007,997.32
  5. Step 5: Solve for x
    x = 67,007,997.32/9,236.26
  6. Step 6: Final answer
    x = 7,254.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.