Home / 6,866.28-10,296.96-2,917.80

Finding the Fourth Proportional to 6,866.28, 10,296.96 and 2,917.80

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Solution

The fourth proportional to 6,866.28, 10,296.96 and 2,917.80 is: 4,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.28 : 10,296.96 = 2,917.80 : x
  2. Step 2: Convert to fraction form
    6,866.28/10,296.96 = 2,917.80/x
  3. Step 3: Cross multiply
    6,866.28x = 10,296.96 × 2,917.80
  4. Step 4: Simplify right side
    6,866.28x = 30,044,469.89
  5. Step 5: Solve for x
    x = 30,044,469.89/6,866.28
  6. Step 6: Final answer
    x = 4,375.65

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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.