Home / 5,149.67-7,103.81-3,133.70

Finding the Fourth Proportional to 5,149.67, 7,103.81 and 3,133.70

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Solution

The fourth proportional to 5,149.67, 7,103.81 and 3,133.70 is: 4,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.67 : 7,103.81 = 3,133.70 : x
  2. Step 2: Convert to fraction form
    5,149.67/7,103.81 = 3,133.70/x
  3. Step 3: Cross multiply
    5,149.67x = 7,103.81 × 3,133.70
  4. Step 4: Simplify right side
    5,149.67x = 22,261,193.73
  5. Step 5: Solve for x
    x = 22,261,193.73/5,149.67
  6. Step 6: Final answer
    x = 4,322.84

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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.