Home / 5,310.72-7,964.64-2,232

Finding the Fourth Proportional to 5,310.72, 7,964.64 and 2,232

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Solution

The fourth proportional to 5,310.72, 7,964.64 and 2,232 is: 3,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.72 : 7,964.64 = 2,232 : x
  2. Step 2: Convert to fraction form
    5,310.72/7,964.64 = 2,232/x
  3. Step 3: Cross multiply
    5,310.72x = 7,964.64 × 2,232
  4. Step 4: Simplify right side
    5,310.72x = 17,777,076.48
  5. Step 5: Solve for x
    x = 17,777,076.48/5,310.72
  6. Step 6: Final answer
    x = 3,347.39

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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.