Home / 5,379.63-7,423.88-3,021.77

Finding the Fourth Proportional to 5,379.63, 7,423.88 and 3,021.77

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Solution

The fourth proportional to 5,379.63, 7,423.88 and 3,021.77 is: 4,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.63 : 7,423.88 = 3,021.77 : x
  2. Step 2: Convert to fraction form
    5,379.63/7,423.88 = 3,021.77/x
  3. Step 3: Cross multiply
    5,379.63x = 7,423.88 × 3,021.77
  4. Step 4: Simplify right side
    5,379.63x = 22,433,257.87
  5. Step 5: Solve for x
    x = 22,433,257.87/5,379.63
  6. Step 6: Final answer
    x = 4,170.04

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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.