Home / 5,379.68-7,423.97-3,021.84

Finding the Fourth Proportional to 5,379.68, 7,423.97 and 3,021.84

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Solution

The fourth proportional to 5,379.68, 7,423.97 and 3,021.84 is: 4,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.68 : 7,423.97 = 3,021.84 : x
  2. Step 2: Convert to fraction form
    5,379.68/7,423.97 = 3,021.84/x
  3. Step 3: Cross multiply
    5,379.68x = 7,423.97 × 3,021.84
  4. Step 4: Simplify right side
    5,379.68x = 22,434,034.40
  5. Step 5: Solve for x
    x = 22,434,034.40/5,379.68
  6. Step 6: Final answer
    x = 4,170.14

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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.