Home / 7,431.11-11,150.30-3,270.60

Finding the Fourth Proportional to 7,431.11, 11,150.30 and 3,270.60

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Solution

The fourth proportional to 7,431.11, 11,150.30 and 3,270.60 is: 4,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.11 : 11,150.30 = 3,270.60 : x
  2. Step 2: Convert to fraction form
    7,431.11/11,150.30 = 3,270.60/x
  3. Step 3: Cross multiply
    7,431.11x = 11,150.30 × 3,270.60
  4. Step 4: Simplify right side
    7,431.11x = 36,468,171.18
  5. Step 5: Solve for x
    x = 36,468,171.18/7,431.11
  6. Step 6: Final answer
    x = 4,907.50

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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.