Home / 7,704.15-11,556.52-2,157.35

Finding the Fourth Proportional to 7,704.15, 11,556.52 and 2,157.35

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Solution

The fourth proportional to 7,704.15, 11,556.52 and 2,157.35 is: 3,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.15 : 11,556.52 = 2,157.35 : x
  2. Step 2: Convert to fraction form
    7,704.15/11,556.52 = 2,157.35/x
  3. Step 3: Cross multiply
    7,704.15x = 11,556.52 × 2,157.35
  4. Step 4: Simplify right side
    7,704.15x = 24,931,514.31
  5. Step 5: Solve for x
    x = 24,931,514.31/7,704.15
  6. Step 6: Final answer
    x = 3,236.11

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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.