Home / 7,091.10-10,636.67-2,160.72

Finding the Fourth Proportional to 7,091.10, 10,636.67 and 2,160.72

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Solution

The fourth proportional to 7,091.10, 10,636.67 and 2,160.72 is: 3,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.10 : 10,636.67 = 2,160.72 : x
  2. Step 2: Convert to fraction form
    7,091.10/10,636.67 = 2,160.72/x
  3. Step 3: Cross multiply
    7,091.10x = 10,636.67 × 2,160.72
  4. Step 4: Simplify right side
    7,091.10x = 22,982,865.60
  5. Step 5: Solve for x
    x = 22,982,865.60/7,091.10
  6. Step 6: Final answer
    x = 3,241.09

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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.