Home / 5,274.57-7,909.20-1,763.34

Finding the Fourth Proportional to 5,274.57, 7,909.20 and 1,763.34

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Solution

The fourth proportional to 5,274.57, 7,909.20 and 1,763.34 is: 2,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.57 : 7,909.20 = 1,763.34 : x
  2. Step 2: Convert to fraction form
    5,274.57/7,909.20 = 1,763.34/x
  3. Step 3: Cross multiply
    5,274.57x = 7,909.20 × 1,763.34
  4. Step 4: Simplify right side
    5,274.57x = 13,946,608.73
  5. Step 5: Solve for x
    x = 13,946,608.73/5,274.57
  6. Step 6: Final answer
    x = 2,644.12

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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.