Home / 4,021.99-5,538.28-3,357.70

Finding the Fourth Proportional to 4,021.99, 5,538.28 and 3,357.70

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Solution

The fourth proportional to 4,021.99, 5,538.28 and 3,357.70 is: 4,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.99 : 5,538.28 = 3,357.70 : x
  2. Step 2: Convert to fraction form
    4,021.99/5,538.28 = 3,357.70/x
  3. Step 3: Cross multiply
    4,021.99x = 5,538.28 × 3,357.70
  4. Step 4: Simplify right side
    4,021.99x = 18,595,882.76
  5. Step 5: Solve for x
    x = 18,595,882.76/4,021.99
  6. Step 6: Final answer
    x = 4,623.55

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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.