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Finding the Fourth Proportional to 8,193.99, 12,285.18 and 4,497.96

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Solution

The fourth proportional to 8,193.99, 12,285.18 and 4,497.96 is: 6,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.99 : 12,285.18 = 4,497.96 : x
  2. Step 2: Convert to fraction form
    8,193.99/12,285.18 = 4,497.96/x
  3. Step 3: Cross multiply
    8,193.99x = 12,285.18 × 4,497.96
  4. Step 4: Simplify right side
    8,193.99x = 55,258,248.23
  5. Step 5: Solve for x
    x = 55,258,248.23/8,193.99
  6. Step 6: Final answer
    x = 6,743.75

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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.