Home / 7,519.11-10,375.56-4,161.39

Finding the Fourth Proportional to 7,519.11, 10,375.56 and 4,161.39

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Solution

The fourth proportional to 7,519.11, 10,375.56 and 4,161.39 is: 5,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.11 : 10,375.56 = 4,161.39 : x
  2. Step 2: Convert to fraction form
    7,519.11/10,375.56 = 4,161.39/x
  3. Step 3: Cross multiply
    7,519.11x = 10,375.56 × 4,161.39
  4. Step 4: Simplify right side
    7,519.11x = 43,176,751.63
  5. Step 5: Solve for x
    x = 43,176,751.63/7,519.11
  6. Step 6: Final answer
    x = 5,742.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.