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Finding the Fourth Proportional to 8,021, 12,026.04 and 4,902.10

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Solution

The fourth proportional to 8,021, 12,026.04 and 4,902.10 is: 7,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021 : 12,026.04 = 4,902.10 : x
  2. Step 2: Convert to fraction form
    8,021/12,026.04 = 4,902.10/x
  3. Step 3: Cross multiply
    8,021x = 12,026.04 × 4,902.10
  4. Step 4: Simplify right side
    8,021x = 58,952,850.68
  5. Step 5: Solve for x
    x = 58,952,850.68/8,021
  6. Step 6: Final answer
    x = 7,349.81

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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.