Home / 7,519.11-11,276.19-2,588.64

Finding the Fourth Proportional to 7,519.11, 11,276.19 and 2,588.64

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Solution

The fourth proportional to 7,519.11, 11,276.19 and 2,588.64 is: 3,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.11 : 11,276.19 = 2,588.64 : x
  2. Step 2: Convert to fraction form
    7,519.11/11,276.19 = 2,588.64/x
  3. Step 3: Cross multiply
    7,519.11x = 11,276.19 × 2,588.64
  4. Step 4: Simplify right side
    7,519.11x = 29,189,996.48
  5. Step 5: Solve for x
    x = 29,189,996.48/7,519.11
  6. Step 6: Final answer
    x = 3,882.11

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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.