Home / 9,160.80-13,741.98-2,921.70

Finding the Fourth Proportional to 9,160.80, 13,741.98 and 2,921.70

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Solution

The fourth proportional to 9,160.80, 13,741.98 and 2,921.70 is: 4,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.80 : 13,741.98 = 2,921.70 : x
  2. Step 2: Convert to fraction form
    9,160.80/13,741.98 = 2,921.70/x
  3. Step 3: Cross multiply
    9,160.80x = 13,741.98 × 2,921.70
  4. Step 4: Simplify right side
    9,160.80x = 40,149,942.97
  5. Step 5: Solve for x
    x = 40,149,942.97/9,160.80
  6. Step 6: Final answer
    x = 4,382.80

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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.