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Finding the Fourth Proportional to 5,544, 7,647.48 and 3,448.80

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Solution

The fourth proportional to 5,544, 7,647.48 and 3,448.80 is: 4,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544 : 7,647.48 = 3,448.80 : x
  2. Step 2: Convert to fraction form
    5,544/7,647.48 = 3,448.80/x
  3. Step 3: Cross multiply
    5,544x = 7,647.48 × 3,448.80
  4. Step 4: Simplify right side
    5,544x = 26,374,629.02
  5. Step 5: Solve for x
    x = 26,374,629.02/5,544
  6. Step 6: Final answer
    x = 4,757.33

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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.