Home / 7,790.06-11,689.98-3,173.06

Finding the Fourth Proportional to 7,790.06, 11,689.98 and 3,173.06

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Solution

The fourth proportional to 7,790.06, 11,689.98 and 3,173.06 is: 4,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.06 : 11,689.98 = 3,173.06 : x
  2. Step 2: Convert to fraction form
    7,790.06/11,689.98 = 3,173.06/x
  3. Step 3: Cross multiply
    7,790.06x = 11,689.98 × 3,173.06
  4. Step 4: Simplify right side
    7,790.06x = 37,093,007.94
  5. Step 5: Solve for x
    x = 37,093,007.94/7,790.06
  6. Step 6: Final answer
    x = 4,761.58

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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.