Home / 7,242.48-10,855.20-3,338.64

Finding the Fourth Proportional to 7,242.48, 10,855.20 and 3,338.64

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Solution

The fourth proportional to 7,242.48, 10,855.20 and 3,338.64 is: 5,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.48 : 10,855.20 = 3,338.64 : x
  2. Step 2: Convert to fraction form
    7,242.48/10,855.20 = 3,338.64/x
  3. Step 3: Cross multiply
    7,242.48x = 10,855.20 × 3,338.64
  4. Step 4: Simplify right side
    7,242.48x = 36,241,604.93
  5. Step 5: Solve for x
    x = 36,241,604.93/7,242.48
  6. Step 6: Final answer
    x = 5,004.03

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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.