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Finding the Fourth Proportional to 5,529, 7,636.50 and 3,662.76

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Solution

The fourth proportional to 5,529, 7,636.50 and 3,662.76 is: 5,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529 : 7,636.50 = 3,662.76 : x
  2. Step 2: Convert to fraction form
    5,529/7,636.50 = 3,662.76/x
  3. Step 3: Cross multiply
    5,529x = 7,636.50 × 3,662.76
  4. Step 4: Simplify right side
    5,529x = 27,970,666.74
  5. Step 5: Solve for x
    x = 27,970,666.74/5,529
  6. Step 6: Final answer
    x = 5,058.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.