Home / 6,668.38-9,997.16-2,775.70

Finding the Fourth Proportional to 6,668.38, 9,997.16 and 2,775.70

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Solution

The fourth proportional to 6,668.38, 9,997.16 and 2,775.70 is: 4,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.38 : 9,997.16 = 2,775.70 : x
  2. Step 2: Convert to fraction form
    6,668.38/9,997.16 = 2,775.70/x
  3. Step 3: Cross multiply
    6,668.38x = 9,997.16 × 2,775.70
  4. Step 4: Simplify right side
    6,668.38x = 27,749,117.01
  5. Step 5: Solve for x
    x = 27,749,117.01/6,668.38
  6. Step 6: Final answer
    x = 4,161.30

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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.