Home / 7,564.80-11,333.70-3,660.60

Finding the Fourth Proportional to 7,564.80, 11,333.70 and 3,660.60

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Solution

The fourth proportional to 7,564.80, 11,333.70 and 3,660.60 is: 5,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.80 : 11,333.70 = 3,660.60 : x
  2. Step 2: Convert to fraction form
    7,564.80/11,333.70 = 3,660.60/x
  3. Step 3: Cross multiply
    7,564.80x = 11,333.70 × 3,660.60
  4. Step 4: Simplify right side
    7,564.80x = 41,488,142.22
  5. Step 5: Solve for x
    x = 41,488,142.22/7,564.80
  6. Step 6: Final answer
    x = 5,484.37

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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.