Home / 7,519.13-10,376.24-4,161.75

Finding the Fourth Proportional to 7,519.13, 10,376.24 and 4,161.75

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Solution

The fourth proportional to 7,519.13, 10,376.24 and 4,161.75 is: 5,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.13 : 10,376.24 = 4,161.75 : x
  2. Step 2: Convert to fraction form
    7,519.13/10,376.24 = 4,161.75/x
  3. Step 3: Cross multiply
    7,519.13x = 10,376.24 × 4,161.75
  4. Step 4: Simplify right side
    7,519.13x = 43,183,316.82
  5. Step 5: Solve for x
    x = 43,183,316.82/7,519.13
  6. Step 6: Final answer
    x = 5,743.13

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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.