Home / 7,516.24-11,277.60-3,620.20

Finding the Fourth Proportional to 7,516.24, 11,277.60 and 3,620.20

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Solution

The fourth proportional to 7,516.24, 11,277.60 and 3,620.20 is: 5,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.24 : 11,277.60 = 3,620.20 : x
  2. Step 2: Convert to fraction form
    7,516.24/11,277.60 = 3,620.20/x
  3. Step 3: Cross multiply
    7,516.24x = 11,277.60 × 3,620.20
  4. Step 4: Simplify right side
    7,516.24x = 40,827,167.52
  5. Step 5: Solve for x
    x = 40,827,167.52/7,516.24
  6. Step 6: Final answer
    x = 5,431.86

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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.