Home / 5,544.80-7,649.56-3,186.60

Finding the Fourth Proportional to 5,544.80, 7,649.56 and 3,186.60

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Solution

The fourth proportional to 5,544.80, 7,649.56 and 3,186.60 is: 4,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544.80 : 7,649.56 = 3,186.60 : x
  2. Step 2: Convert to fraction form
    5,544.80/7,649.56 = 3,186.60/x
  3. Step 3: Cross multiply
    5,544.80x = 7,649.56 × 3,186.60
  4. Step 4: Simplify right side
    5,544.80x = 24,376,087.90
  5. Step 5: Solve for x
    x = 24,376,087.90/5,544.80
  6. Step 6: Final answer
    x = 4,396.21

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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.