Home / 5,649.36-8,473.78-2,685.64

Finding the Fourth Proportional to 5,649.36, 8,473.78 and 2,685.64

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Solution

The fourth proportional to 5,649.36, 8,473.78 and 2,685.64 is: 4,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.36 : 8,473.78 = 2,685.64 : x
  2. Step 2: Convert to fraction form
    5,649.36/8,473.78 = 2,685.64/x
  3. Step 3: Cross multiply
    5,649.36x = 8,473.78 × 2,685.64
  4. Step 4: Simplify right side
    5,649.36x = 22,757,494.62
  5. Step 5: Solve for x
    x = 22,757,494.62/5,649.36
  6. Step 6: Final answer
    x = 4,028.33

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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.