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Finding the Fourth Proportional to 6,546.56, 9,798.24 and 4,083.20

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Solution

The fourth proportional to 6,546.56, 9,798.24 and 4,083.20 is: 6,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,546.56 : 9,798.24 = 4,083.20 : x
  2. Step 2: Convert to fraction form
    6,546.56/9,798.24 = 4,083.20/x
  3. Step 3: Cross multiply
    6,546.56x = 9,798.24 × 4,083.20
  4. Step 4: Simplify right side
    6,546.56x = 40,008,173.57
  5. Step 5: Solve for x
    x = 40,008,173.57/6,546.56
  6. Step 6: Final answer
    x = 6,111.33

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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.