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Finding the Fourth Proportional to 8,795.96, 13,189.67 and 3,251.91

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Solution

The fourth proportional to 8,795.96, 13,189.67 and 3,251.91 is: 4,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.96 : 13,189.67 = 3,251.91 : x
  2. Step 2: Convert to fraction form
    8,795.96/13,189.67 = 3,251.91/x
  3. Step 3: Cross multiply
    8,795.96x = 13,189.67 × 3,251.91
  4. Step 4: Simplify right side
    8,795.96x = 42,891,619.77
  5. Step 5: Solve for x
    x = 42,891,619.77/8,795.96
  6. Step 6: Final answer
    x = 4,876.29

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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.