Home / 9,149.97-13,725.29-2,910.18

Finding the Fourth Proportional to 9,149.97, 13,725.29 and 2,910.18

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Solution

The fourth proportional to 9,149.97, 13,725.29 and 2,910.18 is: 4,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.97 : 13,725.29 = 2,910.18 : x
  2. Step 2: Convert to fraction form
    9,149.97/13,725.29 = 2,910.18/x
  3. Step 3: Cross multiply
    9,149.97x = 13,725.29 × 2,910.18
  4. Step 4: Simplify right side
    9,149.97x = 39,943,064.45
  5. Step 5: Solve for x
    x = 39,943,064.45/9,149.97
  6. Step 6: Final answer
    x = 4,365.38

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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.