Home / 7,190.59-10,781.41-3,028.45

Finding the Fourth Proportional to 7,190.59, 10,781.41 and 3,028.45

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Solution

The fourth proportional to 7,190.59, 10,781.41 and 3,028.45 is: 4,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.59 : 10,781.41 = 3,028.45 : x
  2. Step 2: Convert to fraction form
    7,190.59/10,781.41 = 3,028.45/x
  3. Step 3: Cross multiply
    7,190.59x = 10,781.41 × 3,028.45
  4. Step 4: Simplify right side
    7,190.59x = 32,650,961.11
  5. Step 5: Solve for x
    x = 32,650,961.11/7,190.59
  6. Step 6: Final answer
    x = 4,540.79

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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.