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Finding the Fourth Proportional to 8,961.98, 13,446.72 and 4,800.92

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Solution

The fourth proportional to 8,961.98, 13,446.72 and 4,800.92 is: 7,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.98 : 13,446.72 = 4,800.92 : x
  2. Step 2: Convert to fraction form
    8,961.98/13,446.72 = 4,800.92/x
  3. Step 3: Cross multiply
    8,961.98x = 13,446.72 × 4,800.92
  4. Step 4: Simplify right side
    8,961.98x = 64,556,626.98
  5. Step 5: Solve for x
    x = 64,556,626.98/8,961.98
  6. Step 6: Final answer
    x = 7,203.39

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1.5x scale

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.