Home / 5,291.44-7,936.39-3,705.35

Finding the Fourth Proportional to 5,291.44, 7,936.39 and 3,705.35

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Solution

The fourth proportional to 5,291.44, 7,936.39 and 3,705.35 is: 5,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.44 : 7,936.39 = 3,705.35 : x
  2. Step 2: Convert to fraction form
    5,291.44/7,936.39 = 3,705.35/x
  3. Step 3: Cross multiply
    5,291.44x = 7,936.39 × 3,705.35
  4. Step 4: Simplify right side
    5,291.44x = 29,407,102.69
  5. Step 5: Solve for x
    x = 29,407,102.69/5,291.44
  6. Step 6: Final answer
    x = 5,557.49

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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.