Home / 5,074.88-7,610.40-2,154.56

Finding the Fourth Proportional to 5,074.88, 7,610.40 and 2,154.56

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Solution

The fourth proportional to 5,074.88, 7,610.40 and 2,154.56 is: 3,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.88 : 7,610.40 = 2,154.56 : x
  2. Step 2: Convert to fraction form
    5,074.88/7,610.40 = 2,154.56/x
  3. Step 3: Cross multiply
    5,074.88x = 7,610.40 × 2,154.56
  4. Step 4: Simplify right side
    5,074.88x = 16,397,063.42
  5. Step 5: Solve for x
    x = 16,397,063.42/5,074.88
  6. Step 6: Final answer
    x = 3,231.02

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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.