Home / 5,619.39-7,747.26-4,028.35

Finding the Fourth Proportional to 5,619.39, 7,747.26 and 4,028.35

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Solution

The fourth proportional to 5,619.39, 7,747.26 and 4,028.35 is: 5,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.39 : 7,747.26 = 4,028.35 : x
  2. Step 2: Convert to fraction form
    5,619.39/7,747.26 = 4,028.35/x
  3. Step 3: Cross multiply
    5,619.39x = 7,747.26 × 4,028.35
  4. Step 4: Simplify right side
    5,619.39x = 31,208,677.53
  5. Step 5: Solve for x
    x = 31,208,677.53/5,619.39
  6. Step 6: Final answer
    x = 5,553.75

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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.