Home / 7,516.96-11,277.84-3,621.76

Finding the Fourth Proportional to 7,516.96, 11,277.84 and 3,621.76

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Solution

The fourth proportional to 7,516.96, 11,277.84 and 3,621.76 is: 5,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.96 : 11,277.84 = 3,621.76 : x
  2. Step 2: Convert to fraction form
    7,516.96/11,277.84 = 3,621.76/x
  3. Step 3: Cross multiply
    7,516.96x = 11,277.84 × 3,621.76
  4. Step 4: Simplify right side
    7,516.96x = 40,845,629.80
  5. Step 5: Solve for x
    x = 40,845,629.80/7,516.96
  6. Step 6: Final answer
    x = 5,433.80

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1.5x scale

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.