Home / 5,379.38-7,423.54-3,021.52

Finding the Fourth Proportional to 5,379.38, 7,423.54 and 3,021.52

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Solution

The fourth proportional to 5,379.38, 7,423.54 and 3,021.52 is: 4,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.38 : 7,423.54 = 3,021.52 : x
  2. Step 2: Convert to fraction form
    5,379.38/7,423.54 = 3,021.52/x
  3. Step 3: Cross multiply
    5,379.38x = 7,423.54 × 3,021.52
  4. Step 4: Simplify right side
    5,379.38x = 22,430,348.47
  5. Step 5: Solve for x
    x = 22,430,348.47/5,379.38
  6. Step 6: Final answer
    x = 4,169.69

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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.