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Finding the Fourth Proportional to 8,596.21, 12,890.07 and 3,048.73

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Solution

The fourth proportional to 8,596.21, 12,890.07 and 3,048.73 is: 4,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.21 : 12,890.07 = 3,048.73 : x
  2. Step 2: Convert to fraction form
    8,596.21/12,890.07 = 3,048.73/x
  3. Step 3: Cross multiply
    8,596.21x = 12,890.07 × 3,048.73
  4. Step 4: Simplify right side
    8,596.21x = 39,298,343.11
  5. Step 5: Solve for x
    x = 39,298,343.11/8,596.21
  6. Step 6: Final answer
    x = 4,571.59

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Half scale
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Double scale
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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.