Home / 5,161.68-7,122.72-2,923.62

Finding the Fourth Proportional to 5,161.68, 7,122.72 and 2,923.62

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Solution

The fourth proportional to 5,161.68, 7,122.72 and 2,923.62 is: 4,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.68 : 7,122.72 = 2,923.62 : x
  2. Step 2: Convert to fraction form
    5,161.68/7,122.72 = 2,923.62/x
  3. Step 3: Cross multiply
    5,161.68x = 7,122.72 × 2,923.62
  4. Step 4: Simplify right side
    5,161.68x = 20,824,126.65
  5. Step 5: Solve for x
    x = 20,824,126.65/5,161.68
  6. Step 6: Final answer
    x = 4,034.37

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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.