Home / 5,513.75-7,609.04-3,029.75

Finding the Fourth Proportional to 5,513.75, 7,609.04 and 3,029.75

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Solution

The fourth proportional to 5,513.75, 7,609.04 and 3,029.75 is: 4,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.75 : 7,609.04 = 3,029.75 : x
  2. Step 2: Convert to fraction form
    5,513.75/7,609.04 = 3,029.75/x
  3. Step 3: Cross multiply
    5,513.75x = 7,609.04 × 3,029.75
  4. Step 4: Simplify right side
    5,513.75x = 23,053,488.94
  5. Step 5: Solve for x
    x = 23,053,488.94/5,513.75
  6. Step 6: Final answer
    x = 4,181.09

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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.