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Finding the Fourth Proportional to 8,021, 11,065.12 and 5,035.36

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Solution

The fourth proportional to 8,021, 11,065.12 and 5,035.36 is: 6,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021 : 11,065.12 = 5,035.36 : x
  2. Step 2: Convert to fraction form
    8,021/11,065.12 = 5,035.36/x
  3. Step 3: Cross multiply
    8,021x = 11,065.12 × 5,035.36
  4. Step 4: Simplify right side
    8,021x = 55,716,862.64
  5. Step 5: Solve for x
    x = 55,716,862.64/8,021
  6. Step 6: Final answer
    x = 6,946.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.