Home / 7,489.63-11,234.94-3,107.44

Finding the Fourth Proportional to 7,489.63, 11,234.94 and 3,107.44

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Solution

The fourth proportional to 7,489.63, 11,234.94 and 3,107.44 is: 4,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.63 : 11,234.94 = 3,107.44 : x
  2. Step 2: Convert to fraction form
    7,489.63/11,234.94 = 3,107.44/x
  3. Step 3: Cross multiply
    7,489.63x = 11,234.94 × 3,107.44
  4. Step 4: Simplify right side
    7,489.63x = 34,911,901.95
  5. Step 5: Solve for x
    x = 34,911,901.95/7,489.63
  6. Step 6: Final answer
    x = 4,661.37

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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.