Home / 7,543.20-11,320.93-3,163.73

Finding the Fourth Proportional to 7,543.20, 11,320.93 and 3,163.73

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Solution

The fourth proportional to 7,543.20, 11,320.93 and 3,163.73 is: 4,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.20 : 11,320.93 = 3,163.73 : x
  2. Step 2: Convert to fraction form
    7,543.20/11,320.93 = 3,163.73/x
  3. Step 3: Cross multiply
    7,543.20x = 11,320.93 × 3,163.73
  4. Step 4: Simplify right side
    7,543.20x = 35,816,365.87
  5. Step 5: Solve for x
    x = 35,816,365.87/7,543.20
  6. Step 6: Final answer
    x = 4,748.17

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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.