Home / 6,261.17-9,391.43-2,101.21

Finding the Fourth Proportional to 6,261.17, 9,391.43 and 2,101.21

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Solution

The fourth proportional to 6,261.17, 9,391.43 and 2,101.21 is: 3,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.17 : 9,391.43 = 2,101.21 : x
  2. Step 2: Convert to fraction form
    6,261.17/9,391.43 = 2,101.21/x
  3. Step 3: Cross multiply
    6,261.17x = 9,391.43 × 2,101.21
  4. Step 4: Simplify right side
    6,261.17x = 19,733,383.62
  5. Step 5: Solve for x
    x = 19,733,383.62/6,261.17
  6. Step 6: Final answer
    x = 3,151.71

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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.