Home / 7,470.73-11,205.03-2,539.65

Finding the Fourth Proportional to 7,470.73, 11,205.03 and 2,539.65

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Solution

The fourth proportional to 7,470.73, 11,205.03 and 2,539.65 is: 3,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.73 : 11,205.03 = 2,539.65 : x
  2. Step 2: Convert to fraction form
    7,470.73/11,205.03 = 2,539.65/x
  3. Step 3: Cross multiply
    7,470.73x = 11,205.03 × 2,539.65
  4. Step 4: Simplify right side
    7,470.73x = 28,456,905.98
  5. Step 5: Solve for x
    x = 28,456,905.98/7,470.73
  6. Step 6: Final answer
    x = 3,809.12

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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.