Home / 9,260.80-13,891.92-2,687.08

Finding the Fourth Proportional to 9,260.80, 13,891.92 and 2,687.08

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Solution

The fourth proportional to 9,260.80, 13,891.92 and 2,687.08 is: 4,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.80 : 13,891.92 = 2,687.08 : x
  2. Step 2: Convert to fraction form
    9,260.80/13,891.92 = 2,687.08/x
  3. Step 3: Cross multiply
    9,260.80x = 13,891.92 × 2,687.08
  4. Step 4: Simplify right side
    9,260.80x = 37,328,700.39
  5. Step 5: Solve for x
    x = 37,328,700.39/9,260.80
  6. Step 6: Final answer
    x = 4,030.83

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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.