Home / 5,538.09-7,642.68-3,300.39

Finding the Fourth Proportional to 5,538.09, 7,642.68 and 3,300.39

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Solution

The fourth proportional to 5,538.09, 7,642.68 and 3,300.39 is: 4,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.09 : 7,642.68 = 3,300.39 : x
  2. Step 2: Convert to fraction form
    5,538.09/7,642.68 = 3,300.39/x
  3. Step 3: Cross multiply
    5,538.09x = 7,642.68 × 3,300.39
  4. Step 4: Simplify right side
    5,538.09x = 25,223,824.65
  5. Step 5: Solve for x
    x = 25,223,824.65/5,538.09
  6. Step 6: Final answer
    x = 4,554.61

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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.