Home / 9,221.24-12,725.36-5,243.19

Finding the Fourth Proportional to 9,221.24, 12,725.36 and 5,243.19

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Solution

The fourth proportional to 9,221.24, 12,725.36 and 5,243.19 is: 7,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.24 : 12,725.36 = 5,243.19 : x
  2. Step 2: Convert to fraction form
    9,221.24/12,725.36 = 5,243.19/x
  3. Step 3: Cross multiply
    9,221.24x = 12,725.36 × 5,243.19
  4. Step 4: Simplify right side
    9,221.24x = 66,721,480.30
  5. Step 5: Solve for x
    x = 66,721,480.30/9,221.24
  6. Step 6: Final answer
    x = 7,235.63

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Double scale
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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.