Home / 5,538.45-7,643.09-3,301.45

Finding the Fourth Proportional to 5,538.45, 7,643.09 and 3,301.45

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Solution

The fourth proportional to 5,538.45, 7,643.09 and 3,301.45 is: 4,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.45 : 7,643.09 = 3,301.45 : x
  2. Step 2: Convert to fraction form
    5,538.45/7,643.09 = 3,301.45/x
  3. Step 3: Cross multiply
    5,538.45x = 7,643.09 × 3,301.45
  4. Step 4: Simplify right side
    5,538.45x = 25,233,262.97
  5. Step 5: Solve for x
    x = 25,233,262.97/5,538.45
  6. Step 6: Final answer
    x = 4,556.02

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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.