Home / 7,485.14-11,234.61-3,789.96

Finding the Fourth Proportional to 7,485.14, 11,234.61 and 3,789.96

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Solution

The fourth proportional to 7,485.14, 11,234.61 and 3,789.96 is: 5,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.14 : 11,234.61 = 3,789.96 : x
  2. Step 2: Convert to fraction form
    7,485.14/11,234.61 = 3,789.96/x
  3. Step 3: Cross multiply
    7,485.14x = 11,234.61 × 3,789.96
  4. Step 4: Simplify right side
    7,485.14x = 42,578,722.52
  5. Step 5: Solve for x
    x = 42,578,722.52/7,485.14
  6. Step 6: Final answer
    x = 5,688.44

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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.