Home / 7,405.45-11,107.87-2,474.71

Finding the Fourth Proportional to 7,405.45, 11,107.87 and 2,474.71

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Solution

The fourth proportional to 7,405.45, 11,107.87 and 2,474.71 is: 3,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.45 : 11,107.87 = 2,474.71 : x
  2. Step 2: Convert to fraction form
    7,405.45/11,107.87 = 2,474.71/x
  3. Step 3: Cross multiply
    7,405.45x = 11,107.87 × 2,474.71
  4. Step 4: Simplify right side
    7,405.45x = 27,488,723.01
  5. Step 5: Solve for x
    x = 27,488,723.01/7,405.45
  6. Step 6: Final answer
    x = 3,711.96

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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.