Home / 5,190.50-7,789.26-2,267.12

Finding the Fourth Proportional to 5,190.50, 7,789.26 and 2,267.12

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Solution

The fourth proportional to 5,190.50, 7,789.26 and 2,267.12 is: 3,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.50 : 7,789.26 = 2,267.12 : x
  2. Step 2: Convert to fraction form
    5,190.50/7,789.26 = 2,267.12/x
  3. Step 3: Cross multiply
    5,190.50x = 7,789.26 × 2,267.12
  4. Step 4: Simplify right side
    5,190.50x = 17,659,187.13
  5. Step 5: Solve for x
    x = 17,659,187.13/5,190.50
  6. Step 6: Final answer
    x = 3,402.21

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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.