Home / 7,487.20-11,234.58-3,329.92

Finding the Fourth Proportional to 7,487.20, 11,234.58 and 3,329.92

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Solution

The fourth proportional to 7,487.20, 11,234.58 and 3,329.92 is: 4,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.20 : 11,234.58 = 3,329.92 : x
  2. Step 2: Convert to fraction form
    7,487.20/11,234.58 = 3,329.92/x
  3. Step 3: Cross multiply
    7,487.20x = 11,234.58 × 3,329.92
  4. Step 4: Simplify right side
    7,487.20x = 37,410,252.63
  5. Step 5: Solve for x
    x = 37,410,252.63/7,487.20
  6. Step 6: Final answer
    x = 4,996.56

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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.