Home / 7,177.35-10,766.01-1,983.22

Finding the Fourth Proportional to 7,177.35, 10,766.01 and 1,983.22

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Solution

The fourth proportional to 7,177.35, 10,766.01 and 1,983.22 is: 2,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.35 : 10,766.01 = 1,983.22 : x
  2. Step 2: Convert to fraction form
    7,177.35/10,766.01 = 1,983.22/x
  3. Step 3: Cross multiply
    7,177.35x = 10,766.01 × 1,983.22
  4. Step 4: Simplify right side
    7,177.35x = 21,351,366.35
  5. Step 5: Solve for x
    x = 21,351,366.35/7,177.35
  6. Step 6: Final answer
    x = 2,974.83

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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.