Home / 7,518.81-11,274.66-2,251.79

Finding the Fourth Proportional to 7,518.81, 11,274.66 and 2,251.79

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Solution

The fourth proportional to 7,518.81, 11,274.66 and 2,251.79 is: 3,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.81 : 11,274.66 = 2,251.79 : x
  2. Step 2: Convert to fraction form
    7,518.81/11,274.66 = 2,251.79/x
  3. Step 3: Cross multiply
    7,518.81x = 11,274.66 × 2,251.79
  4. Step 4: Simplify right side
    7,518.81x = 25,388,166.64
  5. Step 5: Solve for x
    x = 25,388,166.64/7,518.81
  6. Step 6: Final answer
    x = 3,376.62

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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.