Home / 7,161.09-10,742.15-2,996.91

Finding the Fourth Proportional to 7,161.09, 10,742.15 and 2,996.91

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Solution

The fourth proportional to 7,161.09, 10,742.15 and 2,996.91 is: 4,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.09 : 10,742.15 = 2,996.91 : x
  2. Step 2: Convert to fraction form
    7,161.09/10,742.15 = 2,996.91/x
  3. Step 3: Cross multiply
    7,161.09x = 10,742.15 × 2,996.91
  4. Step 4: Simplify right side
    7,161.09x = 32,193,212.73
  5. Step 5: Solve for x
    x = 32,193,212.73/7,161.09
  6. Step 6: Final answer
    x = 4,495.57

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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.