Home / 7,518.39-10,375.17-4,161.12

Finding the Fourth Proportional to 7,518.39, 10,375.17 and 4,161.12

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Solution

The fourth proportional to 7,518.39, 10,375.17 and 4,161.12 is: 5,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.39 : 10,375.17 = 4,161.12 : x
  2. Step 2: Convert to fraction form
    7,518.39/10,375.17 = 4,161.12/x
  3. Step 3: Cross multiply
    7,518.39x = 10,375.17 × 4,161.12
  4. Step 4: Simplify right side
    7,518.39x = 43,172,327.39
  5. Step 5: Solve for x
    x = 43,172,327.39/7,518.39
  6. Step 6: Final answer
    x = 5,742.23

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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.