Home / 7,190.42-10,771.04-3,720.38

Finding the Fourth Proportional to 7,190.42, 10,771.04 and 3,720.38

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Solution

The fourth proportional to 7,190.42, 10,771.04 and 3,720.38 is: 5,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.42 : 10,771.04 = 3,720.38 : x
  2. Step 2: Convert to fraction form
    7,190.42/10,771.04 = 3,720.38/x
  3. Step 3: Cross multiply
    7,190.42x = 10,771.04 × 3,720.38
  4. Step 4: Simplify right side
    7,190.42x = 40,072,317.24
  5. Step 5: Solve for x
    x = 40,072,317.24/7,190.42
  6. Step 6: Final answer
    x = 5,573.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.