Home / 7,425.81-11,138.73-3,042.48

Finding the Fourth Proportional to 7,425.81, 11,138.73 and 3,042.48

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Solution

The fourth proportional to 7,425.81, 11,138.73 and 3,042.48 is: 4,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.81 : 11,138.73 = 3,042.48 : x
  2. Step 2: Convert to fraction form
    7,425.81/11,138.73 = 3,042.48/x
  3. Step 3: Cross multiply
    7,425.81x = 11,138.73 × 3,042.48
  4. Step 4: Simplify right side
    7,425.81x = 33,889,363.25
  5. Step 5: Solve for x
    x = 33,889,363.25/7,425.81
  6. Step 6: Final answer
    x = 4,563.73

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Similar ratio
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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.