Home / 9,224.36-12,729.55-5,245.47

Finding the Fourth Proportional to 9,224.36, 12,729.55 and 5,245.47

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Solution

The fourth proportional to 9,224.36, 12,729.55 and 5,245.47 is: 7,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.36 : 12,729.55 = 5,245.47 : x
  2. Step 2: Convert to fraction form
    9,224.36/12,729.55 = 5,245.47/x
  3. Step 3: Cross multiply
    9,224.36x = 12,729.55 × 5,245.47
  4. Step 4: Simplify right side
    9,224.36x = 66,772,472.64
  5. Step 5: Solve for x
    x = 66,772,472.64/9,224.36
  6. Step 6: Final answer
    x = 7,238.71

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Half scale
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Double scale
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Similar ratio
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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.