Home / 5,130.03-7,704.78-3,195.75

Finding the Fourth Proportional to 5,130.03, 7,704.78 and 3,195.75

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Solution

The fourth proportional to 5,130.03, 7,704.78 and 3,195.75 is: 4,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.03 : 7,704.78 = 3,195.75 : x
  2. Step 2: Convert to fraction form
    5,130.03/7,704.78 = 3,195.75/x
  3. Step 3: Cross multiply
    5,130.03x = 7,704.78 × 3,195.75
  4. Step 4: Simplify right side
    5,130.03x = 24,622,550.69
  5. Step 5: Solve for x
    x = 24,622,550.69/5,130.03
  6. Step 6: Final answer
    x = 4,799.69

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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.