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Finding the Fourth Proportional to 6,273.35, 8,660.98 and 3,918.68

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Solution

The fourth proportional to 6,273.35, 8,660.98 and 3,918.68 is: 5,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,273.35 : 8,660.98 = 3,918.68 : x
  2. Step 2: Convert to fraction form
    6,273.35/8,660.98 = 3,918.68/x
  3. Step 3: Cross multiply
    6,273.35x = 8,660.98 × 3,918.68
  4. Step 4: Simplify right side
    6,273.35x = 33,939,581.14
  5. Step 5: Solve for x
    x = 33,939,581.14/6,273.35
  6. Step 6: Final answer
    x = 5,410.12

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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.