Home / 9,619.88-14,437.92-3,780.59

Finding the Fourth Proportional to 9,619.88, 14,437.92 and 3,780.59

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Solution

The fourth proportional to 9,619.88, 14,437.92 and 3,780.59 is: 5,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.88 : 14,437.92 = 3,780.59 : x
  2. Step 2: Convert to fraction form
    9,619.88/14,437.92 = 3,780.59/x
  3. Step 3: Cross multiply
    9,619.88x = 14,437.92 × 3,780.59
  4. Step 4: Simplify right side
    9,619.88x = 54,583,855.97
  5. Step 5: Solve for x
    x = 54,583,855.97/9,619.88
  6. Step 6: Final answer
    x = 5,674.07

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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.