Home / 5,190.76-7,163.34-2,952.68

Finding the Fourth Proportional to 5,190.76, 7,163.34 and 2,952.68

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Solution

The fourth proportional to 5,190.76, 7,163.34 and 2,952.68 is: 4,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.76 : 7,163.34 = 2,952.68 : x
  2. Step 2: Convert to fraction form
    5,190.76/7,163.34 = 2,952.68/x
  3. Step 3: Cross multiply
    5,190.76x = 7,163.34 × 2,952.68
  4. Step 4: Simplify right side
    5,190.76x = 21,151,050.75
  5. Step 5: Solve for x
    x = 21,151,050.75/5,190.76
  6. Step 6: Final answer
    x = 4,074.75

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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.