Home / 5,513.75-8,270.49-1,353.73

Finding the Fourth Proportional to 5,513.75, 8,270.49 and 1,353.73

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Solution

The fourth proportional to 5,513.75, 8,270.49 and 1,353.73 is: 2,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.75 : 8,270.49 = 1,353.73 : x
  2. Step 2: Convert to fraction form
    5,513.75/8,270.49 = 1,353.73/x
  3. Step 3: Cross multiply
    5,513.75x = 8,270.49 × 1,353.73
  4. Step 4: Simplify right side
    5,513.75x = 11,195,993.14
  5. Step 5: Solve for x
    x = 11,195,993.14/5,513.75
  6. Step 6: Final answer
    x = 2,030.56

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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.