Home / 7,519.87-10,376.64-4,162.22

Finding the Fourth Proportional to 7,519.87, 10,376.64 and 4,162.22

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Solution

The fourth proportional to 7,519.87, 10,376.64 and 4,162.22 is: 5,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.87 : 10,376.64 = 4,162.22 : x
  2. Step 2: Convert to fraction form
    7,519.87/10,376.64 = 4,162.22/x
  3. Step 3: Cross multiply
    7,519.87x = 10,376.64 × 4,162.22
  4. Step 4: Simplify right side
    7,519.87x = 43,189,845.57
  5. Step 5: Solve for x
    x = 43,189,845.57/7,519.87
  6. Step 6: Final answer
    x = 5,743.43

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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.