Home / 5,578.39-8,365.43-2,019.51

Finding the Fourth Proportional to 5,578.39, 8,365.43 and 2,019.51

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Solution

The fourth proportional to 5,578.39, 8,365.43 and 2,019.51 is: 3,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.39 : 8,365.43 = 2,019.51 : x
  2. Step 2: Convert to fraction form
    5,578.39/8,365.43 = 2,019.51/x
  3. Step 3: Cross multiply
    5,578.39x = 8,365.43 × 2,019.51
  4. Step 4: Simplify right side
    5,578.39x = 16,894,039.70
  5. Step 5: Solve for x
    x = 16,894,039.70/5,578.39
  6. Step 6: Final answer
    x = 3,028.48

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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.