Home / 7,431.89-11,144.06-3,270.11

Finding the Fourth Proportional to 7,431.89, 11,144.06 and 3,270.11

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Solution

The fourth proportional to 7,431.89, 11,144.06 and 3,270.11 is: 4,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.89 : 11,144.06 = 3,270.11 : x
  2. Step 2: Convert to fraction form
    7,431.89/11,144.06 = 3,270.11/x
  3. Step 3: Cross multiply
    7,431.89x = 11,144.06 × 3,270.11
  4. Step 4: Simplify right side
    7,431.89x = 36,442,313.56
  5. Step 5: Solve for x
    x = 36,442,313.56/7,431.89
  6. Step 6: Final answer
    x = 4,903.50

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Double scale
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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.