Home / 9,090.45-13,630.82-3,243.87

Finding the Fourth Proportional to 9,090.45, 13,630.82 and 3,243.87

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Solution

The fourth proportional to 9,090.45, 13,630.82 and 3,243.87 is: 4,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.45 : 13,630.82 = 3,243.87 : x
  2. Step 2: Convert to fraction form
    9,090.45/13,630.82 = 3,243.87/x
  3. Step 3: Cross multiply
    9,090.45x = 13,630.82 × 3,243.87
  4. Step 4: Simplify right side
    9,090.45x = 44,216,591.85
  5. Step 5: Solve for x
    x = 44,216,591.85/9,090.45
  6. Step 6: Final answer
    x = 4,864.07

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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.