Home / 5,539.56-7,644.78-3,021.72

Finding the Fourth Proportional to 5,539.56, 7,644.78 and 3,021.72

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Solution

The fourth proportional to 5,539.56, 7,644.78 and 3,021.72 is: 4,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.56 : 7,644.78 = 3,021.72 : x
  2. Step 2: Convert to fraction form
    5,539.56/7,644.78 = 3,021.72/x
  3. Step 3: Cross multiply
    5,539.56x = 7,644.78 × 3,021.72
  4. Step 4: Simplify right side
    5,539.56x = 23,100,384.62
  5. Step 5: Solve for x
    x = 23,100,384.62/5,539.56
  6. Step 6: Final answer
    x = 4,170.08

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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.