Home / 7,177.42-10,764.91-1,983.30

Finding the Fourth Proportional to 7,177.42, 10,764.91 and 1,983.30

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Solution

The fourth proportional to 7,177.42, 10,764.91 and 1,983.30 is: 2,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.42 : 10,764.91 = 1,983.30 : x
  2. Step 2: Convert to fraction form
    7,177.42/10,764.91 = 1,983.30/x
  3. Step 3: Cross multiply
    7,177.42x = 10,764.91 × 1,983.30
  4. Step 4: Simplify right side
    7,177.42x = 21,350,046.00
  5. Step 5: Solve for x
    x = 21,350,046.00/7,177.42
  6. Step 6: Final answer
    x = 2,974.61

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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.