Home / 9,229.37-12,736.36-5,250.40

Finding the Fourth Proportional to 9,229.37, 12,736.36 and 5,250.40

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Solution

The fourth proportional to 9,229.37, 12,736.36 and 5,250.40 is: 7,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.37 : 12,736.36 = 5,250.40 : x
  2. Step 2: Convert to fraction form
    9,229.37/12,736.36 = 5,250.40/x
  3. Step 3: Cross multiply
    9,229.37x = 12,736.36 × 5,250.40
  4. Step 4: Simplify right side
    9,229.37x = 66,870,984.54
  5. Step 5: Solve for x
    x = 66,870,984.54/9,229.37
  6. Step 6: Final answer
    x = 7,245.45

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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.