Home / 7,825.62-11,731.08-2,627.85

Finding the Fourth Proportional to 7,825.62, 11,731.08 and 2,627.85

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Solution

The fourth proportional to 7,825.62, 11,731.08 and 2,627.85 is: 3,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.62 : 11,731.08 = 2,627.85 : x
  2. Step 2: Convert to fraction form
    7,825.62/11,731.08 = 2,627.85/x
  3. Step 3: Cross multiply
    7,825.62x = 11,731.08 × 2,627.85
  4. Step 4: Simplify right side
    7,825.62x = 30,827,518.58
  5. Step 5: Solve for x
    x = 30,827,518.58/7,825.62
  6. Step 6: Final answer
    x = 3,939.31

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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.