Home / 5,519.05-7,610.11-5,169.13

Finding the Fourth Proportional to 5,519.05, 7,610.11 and 5,169.13

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Solution

The fourth proportional to 5,519.05, 7,610.11 and 5,169.13 is: 7,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.05 : 7,610.11 = 5,169.13 : x
  2. Step 2: Convert to fraction form
    5,519.05/7,610.11 = 5,169.13/x
  3. Step 3: Cross multiply
    5,519.05x = 7,610.11 × 5,169.13
  4. Step 4: Simplify right side
    5,519.05x = 39,337,647.90
  5. Step 5: Solve for x
    x = 39,337,647.90/5,519.05
  6. Step 6: Final answer
    x = 7,127.61

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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.