Home / 5,493.16-7,578.45-3,134.05

Finding the Fourth Proportional to 5,493.16, 7,578.45 and 3,134.05

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Solution

The fourth proportional to 5,493.16, 7,578.45 and 3,134.05 is: 4,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.16 : 7,578.45 = 3,134.05 : x
  2. Step 2: Convert to fraction form
    5,493.16/7,578.45 = 3,134.05/x
  3. Step 3: Cross multiply
    5,493.16x = 7,578.45 × 3,134.05
  4. Step 4: Simplify right side
    5,493.16x = 23,751,241.22
  5. Step 5: Solve for x
    x = 23,751,241.22/5,493.16
  6. Step 6: Final answer
    x = 4,323.78

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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.