Home / 5,029.01-7,542.30-2,109.50

Finding the Fourth Proportional to 5,029.01, 7,542.30 and 2,109.50

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Solution

The fourth proportional to 5,029.01, 7,542.30 and 2,109.50 is: 3,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.01 : 7,542.30 = 2,109.50 : x
  2. Step 2: Convert to fraction form
    5,029.01/7,542.30 = 2,109.50/x
  3. Step 3: Cross multiply
    5,029.01x = 7,542.30 × 2,109.50
  4. Step 4: Simplify right side
    5,029.01x = 15,910,481.85
  5. Step 5: Solve for x
    x = 15,910,481.85/5,029.01
  6. Step 6: Final answer
    x = 3,163.74

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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.