Home / 6,921.33-10,385.04-3,633.66

Finding the Fourth Proportional to 6,921.33, 10,385.04 and 3,633.66

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Solution

The fourth proportional to 6,921.33, 10,385.04 and 3,633.66 is: 5,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.33 : 10,385.04 = 3,633.66 : x
  2. Step 2: Convert to fraction form
    6,921.33/10,385.04 = 3,633.66/x
  3. Step 3: Cross multiply
    6,921.33x = 10,385.04 × 3,633.66
  4. Step 4: Simplify right side
    6,921.33x = 37,735,704.45
  5. Step 5: Solve for x
    x = 37,735,704.45/6,921.33
  6. Step 6: Final answer
    x = 5,452.09

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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.