Home / 7,550.90-11,322.30-3,163.40

Finding the Fourth Proportional to 7,550.90, 11,322.30 and 3,163.40

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Solution

The fourth proportional to 7,550.90, 11,322.30 and 3,163.40 is: 4,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.90 : 11,322.30 = 3,163.40 : x
  2. Step 2: Convert to fraction form
    7,550.90/11,322.30 = 3,163.40/x
  3. Step 3: Cross multiply
    7,550.90x = 11,322.30 × 3,163.40
  4. Step 4: Simplify right side
    7,550.90x = 35,816,963.82
  5. Step 5: Solve for x
    x = 35,816,963.82/7,550.90
  6. Step 6: Final answer
    x = 4,743.40

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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.