Home / 7,519.16-11,277.62-1,972.60

Finding the Fourth Proportional to 7,519.16, 11,277.62 and 1,972.60

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Solution

The fourth proportional to 7,519.16, 11,277.62 and 1,972.60 is: 2,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.16 : 11,277.62 = 1,972.60 : x
  2. Step 2: Convert to fraction form
    7,519.16/11,277.62 = 1,972.60/x
  3. Step 3: Cross multiply
    7,519.16x = 11,277.62 × 1,972.60
  4. Step 4: Simplify right side
    7,519.16x = 22,246,233.21
  5. Step 5: Solve for x
    x = 22,246,233.21/7,519.16
  6. Step 6: Final answer
    x = 2,958.61

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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.