Home / 6,112.80-9,166.30-1,951.83

Finding the Fourth Proportional to 6,112.80, 9,166.30 and 1,951.83

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Solution

The fourth proportional to 6,112.80, 9,166.30 and 1,951.83 is: 2,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.80 : 9,166.30 = 1,951.83 : x
  2. Step 2: Convert to fraction form
    6,112.80/9,166.30 = 1,951.83/x
  3. Step 3: Cross multiply
    6,112.80x = 9,166.30 × 1,951.83
  4. Step 4: Simplify right side
    6,112.80x = 17,891,054.45
  5. Step 5: Solve for x
    x = 17,891,054.45/6,112.80
  6. Step 6: Final answer
    x = 2,926.82

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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.