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Finding the Fourth Proportional to 7,282, 10,923 and 1,810

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Solution

The fourth proportional to 7,282, 10,923 and 1,810 is: 2,715

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282 : 10,923 = 1,810 : x
  2. Step 2: Convert to fraction form
    7,282/10,923 = 1,810/x
  3. Step 3: Cross multiply
    7,282x = 10,923 × 1,810
  4. Step 4: Simplify right side
    7,282x = 19,770,630
  5. Step 5: Solve for x
    x = 19,770,630/7,282
  6. Step 6: Final answer
    x = 2,715

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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.