Home / 3,646.22-5,469.73-3,147.66

Finding the Fourth Proportional to 3,646.22, 5,469.73 and 3,147.66

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Solution

The fourth proportional to 3,646.22, 5,469.73 and 3,147.66 is: 4,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.22 : 5,469.73 = 3,147.66 : x
  2. Step 2: Convert to fraction form
    3,646.22/5,469.73 = 3,147.66/x
  3. Step 3: Cross multiply
    3,646.22x = 5,469.73 × 3,147.66
  4. Step 4: Simplify right side
    3,646.22x = 17,216,842.46
  5. Step 5: Solve for x
    x = 17,216,842.46/3,646.22
  6. Step 6: Final answer
    x = 4,721.84

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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.