Home / 7,580.07-11,371.31-3,198.17

Finding the Fourth Proportional to 7,580.07, 11,371.31 and 3,198.17

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Solution

The fourth proportional to 7,580.07, 11,371.31 and 3,198.17 is: 4,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.07 : 11,371.31 = 3,198.17 : x
  2. Step 2: Convert to fraction form
    7,580.07/11,371.31 = 3,198.17/x
  3. Step 3: Cross multiply
    7,580.07x = 11,371.31 × 3,198.17
  4. Step 4: Simplify right side
    7,580.07x = 36,367,382.28
  5. Step 5: Solve for x
    x = 36,367,382.28/7,580.07
  6. Step 6: Final answer
    x = 4,797.77

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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.