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Finding the Fourth Proportional to 8,173.84, 12,260.02 and 3,242.20

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Solution

The fourth proportional to 8,173.84, 12,260.02 and 3,242.20 is: 4,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.84 : 12,260.02 = 3,242.20 : x
  2. Step 2: Convert to fraction form
    8,173.84/12,260.02 = 3,242.20/x
  3. Step 3: Cross multiply
    8,173.84x = 12,260.02 × 3,242.20
  4. Step 4: Simplify right side
    8,173.84x = 39,749,436.84
  5. Step 5: Solve for x
    x = 39,749,436.84/8,173.84
  6. Step 6: Final answer
    x = 4,863.01

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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.