Home / 5,039.39-7,559.09-2,745.47

Finding the Fourth Proportional to 5,039.39, 7,559.09 and 2,745.47

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Solution

The fourth proportional to 5,039.39, 7,559.09 and 2,745.47 is: 4,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.39 : 7,559.09 = 2,745.47 : x
  2. Step 2: Convert to fraction form
    5,039.39/7,559.09 = 2,745.47/x
  3. Step 3: Cross multiply
    5,039.39x = 7,559.09 × 2,745.47
  4. Step 4: Simplify right side
    5,039.39x = 20,753,254.82
  5. Step 5: Solve for x
    x = 20,753,254.82/5,039.39
  6. Step 6: Final answer
    x = 4,118.21

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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.