Home / 5,515.96-7,610.68-3,277.76

Finding the Fourth Proportional to 5,515.96, 7,610.68 and 3,277.76

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Solution

The fourth proportional to 5,515.96, 7,610.68 and 3,277.76 is: 4,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.96 : 7,610.68 = 3,277.76 : x
  2. Step 2: Convert to fraction form
    5,515.96/7,610.68 = 3,277.76/x
  3. Step 3: Cross multiply
    5,515.96x = 7,610.68 × 3,277.76
  4. Step 4: Simplify right side
    5,515.96x = 24,945,982.48
  5. Step 5: Solve for x
    x = 24,945,982.48/5,515.96
  6. Step 6: Final answer
    x = 4,522.51

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1.5x scale

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.