Home / 5,539.68-7,644.96-3,021.84

Finding the Fourth Proportional to 5,539.68, 7,644.96 and 3,021.84

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Solution

The fourth proportional to 5,539.68, 7,644.96 and 3,021.84 is: 4,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.68 : 7,644.96 = 3,021.84 : x
  2. Step 2: Convert to fraction form
    5,539.68/7,644.96 = 3,021.84/x
  3. Step 3: Cross multiply
    5,539.68x = 7,644.96 × 3,021.84
  4. Step 4: Simplify right side
    5,539.68x = 23,101,845.93
  5. Step 5: Solve for x
    x = 23,101,845.93/5,539.68
  6. Step 6: Final answer
    x = 4,170.25

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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.