Home / 7,519.17-10,375.66-4,161.45

Finding the Fourth Proportional to 7,519.17, 10,375.66 and 4,161.45

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Solution

The fourth proportional to 7,519.17, 10,375.66 and 4,161.45 is: 5,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.17 : 10,375.66 = 4,161.45 : x
  2. Step 2: Convert to fraction form
    7,519.17/10,375.66 = 4,161.45/x
  3. Step 3: Cross multiply
    7,519.17x = 10,375.66 × 4,161.45
  4. Step 4: Simplify right side
    7,519.17x = 43,177,790.31
  5. Step 5: Solve for x
    x = 43,177,790.31/7,519.17
  6. Step 6: Final answer
    x = 5,742.36

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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.