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Finding the Fourth Proportional to 6,549.12, 9,825.48 and 3,629.48

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Solution

The fourth proportional to 6,549.12, 9,825.48 and 3,629.48 is: 5,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.12 : 9,825.48 = 3,629.48 : x
  2. Step 2: Convert to fraction form
    6,549.12/9,825.48 = 3,629.48/x
  3. Step 3: Cross multiply
    6,549.12x = 9,825.48 × 3,629.48
  4. Step 4: Simplify right side
    6,549.12x = 35,661,334.02
  5. Step 5: Solve for x
    x = 35,661,334.02/6,549.12
  6. Step 6: Final answer
    x = 5,445.21

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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.