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Finding the Fourth Proportional to 19,062, 28,595 and 5,211

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Solution

The fourth proportional to 19,062, 28,595 and 5,211 is: 7,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062 : 28,595 = 5,211 : x
  2. Step 2: Convert to fraction form
    19,062/28,595 = 5,211/x
  3. Step 3: Cross multiply
    19,062x = 28,595 × 5,211
  4. Step 4: Simplify right side
    19,062x = 149,008,545
  5. Step 5: Solve for x
    x = 149,008,545/19,062
  6. Step 6: Final answer
    x = 7,817.05

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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.