Home / 5,538.88-7,643.48-3,021.03

Finding the Fourth Proportional to 5,538.88, 7,643.48 and 3,021.03

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Solution

The fourth proportional to 5,538.88, 7,643.48 and 3,021.03 is: 4,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.88 : 7,643.48 = 3,021.03 : x
  2. Step 2: Convert to fraction form
    5,538.88/7,643.48 = 3,021.03/x
  3. Step 3: Cross multiply
    5,538.88x = 7,643.48 × 3,021.03
  4. Step 4: Simplify right side
    5,538.88x = 23,091,184.27
  5. Step 5: Solve for x
    x = 23,091,184.27/5,538.88
  6. Step 6: Final answer
    x = 4,168.93

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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.