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Finding the Fourth Proportional to 8,692.72, 13,041 and 4,795.12

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Solution

The fourth proportional to 8,692.72, 13,041 and 4,795.12 is: 7,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.72 : 13,041 = 4,795.12 : x
  2. Step 2: Convert to fraction form
    8,692.72/13,041 = 4,795.12/x
  3. Step 3: Cross multiply
    8,692.72x = 13,041 × 4,795.12
  4. Step 4: Simplify right side
    8,692.72x = 62,533,159.92
  5. Step 5: Solve for x
    x = 62,533,159.92/8,692.72
  6. Step 6: Final answer
    x = 7,193.74

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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.