Home / 5,272.34-7,910.10-3,166.31

Finding the Fourth Proportional to 5,272.34, 7,910.10 and 3,166.31

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Solution

The fourth proportional to 5,272.34, 7,910.10 and 3,166.31 is: 4,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.34 : 7,910.10 = 3,166.31 : x
  2. Step 2: Convert to fraction form
    5,272.34/7,910.10 = 3,166.31/x
  3. Step 3: Cross multiply
    5,272.34x = 7,910.10 × 3,166.31
  4. Step 4: Simplify right side
    5,272.34x = 25,045,789.18
  5. Step 5: Solve for x
    x = 25,045,789.18/5,272.34
  6. Step 6: Final answer
    x = 4,750.42

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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.