Home / 7,272.08-10,911.36-2,654

Finding the Fourth Proportional to 7,272.08, 10,911.36 and 2,654

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Solution

The fourth proportional to 7,272.08, 10,911.36 and 2,654 is: 3,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.08 : 10,911.36 = 2,654 : x
  2. Step 2: Convert to fraction form
    7,272.08/10,911.36 = 2,654/x
  3. Step 3: Cross multiply
    7,272.08x = 10,911.36 × 2,654
  4. Step 4: Simplify right side
    7,272.08x = 28,958,749.44
  5. Step 5: Solve for x
    x = 28,958,749.44/7,272.08
  6. Step 6: Final answer
    x = 3,982.18

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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.