Home / 5,722-7,890.96-3,734.08

Finding the Fourth Proportional to 5,722, 7,890.96 and 3,734.08

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Solution

The fourth proportional to 5,722, 7,890.96 and 3,734.08 is: 5,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722 : 7,890.96 = 3,734.08 : x
  2. Step 2: Convert to fraction form
    5,722/7,890.96 = 3,734.08/x
  3. Step 3: Cross multiply
    5,722x = 7,890.96 × 3,734.08
  4. Step 4: Simplify right side
    5,722x = 29,465,475.92
  5. Step 5: Solve for x
    x = 29,465,475.92/5,722
  6. Step 6: Final answer
    x = 5,149.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.