Home / 5,539.38-7,644.41-3,181.74

Finding the Fourth Proportional to 5,539.38, 7,644.41 and 3,181.74

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Solution

The fourth proportional to 5,539.38, 7,644.41 and 3,181.74 is: 4,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.38 : 7,644.41 = 3,181.74 : x
  2. Step 2: Convert to fraction form
    5,539.38/7,644.41 = 3,181.74/x
  3. Step 3: Cross multiply
    5,539.38x = 7,644.41 × 3,181.74
  4. Step 4: Simplify right side
    5,539.38x = 24,322,525.07
  5. Step 5: Solve for x
    x = 24,322,525.07/5,539.38
  6. Step 6: Final answer
    x = 4,390.84

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Half scale
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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.